1. Introduction: The Hidden Side of Celebrated Heritage

1.1. Hanoi has more than a surface

Every day, thousands of people walk along busy Hai Ba Trung Street or beneath the old trees of the Thang Long Imperial Citadel. Yet few realise that beneath the roads and green lawns, Hanoi holds an entirely different underground world. Beyond the soaring roofs and elegant French architecture above ground are spaces heavy with the passage of time, where some of history’s most urgent struggles for survival took place.

1.2. Decoding two underground spaces

This story explores two strikingly different sides of underground Hanoi: a narrow, foul-smelling sewer that became a gateway to freedom at Hoa Lo Prison, and a fortified bunker nine metres below the Thang Long Imperial Citadel, where decisions shaping the country’s future were made.

2. Hoa Lo: An Extraordinary Escape Through a Sewer

2.1. The weakness in a formidable prison

At the end of the nineteenth century, the French colonial authorities turned Hoa Lo into a place remembered as a “hell on earth”, surrounded by four-metre walls topped with broken glass and exposed wires. Its architecture was considered so secure that “not even an ant could get through”. Yet the designers overlooked a crucial detail: the underground drainage system. The dark, arched sewer, built to carry waste, would eventually become a narrow opening towards freedom.

2.2. The historic escape of March 1945

History lives beyond the written record; it also survives in acts that pushed human endurance to its limits. In March 1945, more than one hundred political prisoners took part in an extraordinary escape. Inside a sewer measuring less than half a square metre, with stifling air and an overpowering smell, they removed iron bars and squeezed their shoulders and bodies through the narrow opening. It was more than a physical escape: it expressed an intense determination to survive and be free.

2.3. Experiencing the site today

Today, books are not the only way to approach that history. During a night tour at Hoa Lo, pause before the displayed sewer opening and close your eyes. The sound of chains and the cold presence of the stone walls can help visitors imagine the fear, as well as the extraordinary courage, of those who came before them.

3. Thang Long Imperial Citadel: D67 Bunker and the Protected Headquarters

3.1. A hidden world nine metres underground

In contrast to the quiet, timeworn surroundings of Kinh Thien Palace, D67 Bunker lies nine metres beneath the Imperial Citadel. Built in 1967, during some of the most intense years of wartime bombing, it was a remarkable feat of military engineering. Thick concrete walls and sealed steel doors were designed to resist bombs and radiation. For Hanoi’s residents at the time, this highly secret space was largely unknown.

3.2. A space that holds time still

Entering D67 today can feel like opening a time capsule. A red telephone used for military commands, maps covered with operational markings, and neatly arranged canvas folding chairs bring the past into focus. Without sunlight or street noise, the stillness invites visitors to imagine the people who once calculated each decisive move here.

3.3. Walking down into the bunker

Walking along the sloping corridors and hearing your footsteps echo against the cold concrete is a powerful visual and auditory experience. In the quiet, you may imagine the crackle of a radio or a softly spoken battlefield report from more than half a century ago.

4. A Double Perspective: Heritage and Survival

4.1. A revealing contrast

Hoa Lo and D67 offer a compelling double perspective on Hanoi’s underground heritage. At Hoa Lo, people sought a way out to reclaim their lives and individual freedom. At D67, military leaders deliberately went underground to help protect the survival of a nation. Two spaces with different purposes, both shaped by endurance and ingenuity.

4.2. Historical space and emotional experience

These places carry emotional weight through the physical traces that remain. Peeling brick walls at Hoa Lo and the austere steel doors of D67, fitted with wheel-shaped handles, make the past tangible. Their enclosed, shadowed corridors can create a sense of tension and mystery, inviting visitors to reflect on the harsh limits of survival in another era.

Conclusion

Heritage has never been only broken bricks or dusty museums. Opening the doors beneath the city reveals history at its most human: fear, courage, and an unbreakable will. Hanoi still holds these cultural layers, waiting for a new generation to step forward and decode them.

Written by the BTS team · Hanoi.exe

Further reading: Hoa Lo Prison Relic · D67 House and Bunker

1. Introduction: New Life for Architectural Heritage

1.1. Heritage within the modern city

Hanoi has a distinctive approach to preserving its historic buildings. Rather than turning heritage into enclosed display spaces, the city allows these places to accompany the rhythms of urban life. Old French architecture and quiet lakes remain connected to everyday experience, becoming public spaces where nostalgia meets the energy of the present.

1.2. Cultural change around familiar landmarks

St Joseph’s Cathedral and Hoan Kiem Lake are clear examples of this transformation. Beyond their roles as witnesses to history, these architectural spaces have become gathering points for communities and younger generations. This ongoing cultural change creates a lively urban landscape.

2. St Joseph’s Cathedral: Religious Architecture and Popular Culture

2.1. A Gothic landmark in the capital’s centre

In central Hanoi, St Joseph’s Cathedral expresses the language of Gothic architecture through soaring roofs and grey walls marked by time. The building provides a steady presence in the cityscape, preserving the dignity and calm associated with old Hanoi. Yet much of the area’s living energy comes from the trade and everyday activities unfolding just outside its doors.

2.2. Sacred space and everyday rhythms

The meeting of Eastern and Western cultures here appears in the habits of local residents. Young people gathering over glasses of pavement-side lemon tea have become a familiar sight. This animated foreground does not clash with the cathedral’s stillness; instead, it makes the setting feel closer to everyday life. Under the shadows of weathered grey walls, the boundary between a dignified monument and a busy urban meeting place grows less distinct. A new generation can spend time here and breathe alongside history.

3. Hoan Kiem Lake: A Cultural Space with Many Layers

3.1. Contrasting rhythms of day and night

A short walk from the cathedral, Hoan Kiem Lake offers different rhythms of daily life. In the early morning, the lake feels peaceful, with people exercising or enjoying coffee beneath old trees. At night, especially at weekends, the walking streets take on another character. Street performances and independent music turn the area into an energetic centre of cultural activity.

3.2. The city through younger eyes

Today’s Hoan Kiem Lake resembles an open chronicle, recording changes across generations. Younger people’s perspectives reach beyond nostalgia for the trams of the past. Photography, digital platforms, and personal style bring fresh ways of seeing. Heritage becomes an open setting for contemporary images and experiences, enriching the capital’s cultural life.

4. Conclusion: The Future of Living Heritage Spaces

St Joseph’s Cathedral and Hoan Kiem Lake demonstrate Hanoi’s heritage capacity to welcome and renew. Bringing historic spaces into contemporary cultural life allows the past to receive the breath of a new era. Whether stopping at a familiar café or sitting beside a heritage building, each person writes another line in the city’s cultural diary, where century-old values continue alongside the present.

Written by the BTS team · Hanoi.exe

1. Introduction: More Than a Place to Seek Good Fortune

1.1. Van Mieu in the minds of younger generations

As summer approaches and major examinations draw near, Van Mieu–Quoc Tu Giam welcomes people hoping for good luck. Many younger visitors see this historic place mainly as a spiritual stop during exam season. Yet looking only at incense and wishes for success overlooks a deeper meaning within the institution often described as Vietnam’s first university.

1.2. Rediscovering a centre of knowledge

Taking a step back from exam-season customs opens a different perspective on Van Mieu–Quoc Tu Giam. Beyond a sacred place for good fortune, it appears as a vast archive of knowledge, where the academic ambitions of past and present find common ground.

2. The Doctoral Steles: An Enduring Database in Stone

2.1. A lasting record on stone

Approaching the eighty-two doctoral steles with a contemporary mindset reveals more than finely carved monuments. They can also be understood as a substantial information database from the imperial era. Their inscriptions record the identities, home towns, and examination achievements of successful scholars. Carving these names into solid stone was an attempt to create a permanent record and make academic recognition visible to later generations.

2.2. The weight of personal responsibility

Being honoured on a stone stele was a source of pride and a lifelong commitment. The deeply carved Chinese characters remind us that knowledge comes with responsibility to history and society. Standing before these timeworn stones, contemporary visitors may reflect on recognition and authenticity in an age when information can be edited so easily.

3. The Desire for Knowledge: A Dialogue Between Past Scholars and Gen Z

3.1. Academic pressure across time

There is a striking psychological connection between generations separated by centuries. In the past, Confucian scholars brought their tents and camp beds to examination grounds, enduring sleepless nights under the pressure to succeed. Today, students face demanding examinations of their own: late-night deadlines, thousands of lines of statistical data, and complex financial reports or business strategies. Whether grinding ink to compose classical texts or typing computer code, the pressure of academic expectations remains real.

3.2. Inspiration through perseverance

Recognising this shared academic pressure changes how we engage with Van Mieu. Rather than visiting only to seek good fortune, young people can find stillness and inspiration in the perseverance of earlier generations. Around Khue Van Pavilion and Van Lake, one idea becomes clear: knowledge is not an effortless gift, but the result of sustained practice.

4. Conclusion: A New Understanding of an Ancient Symbol

Van Mieu–Quoc Tu Giam is more than a quiet museum of the past. It represents a continuing tradition of learning, honouring effort, accountability, and the ambition to reach new heights of knowledge. Decoding this heritage allows younger generations to enter its historic spaces with a new mindset: to see themselves within history’s long journey of perseverance, rather than simply asking for a miracle.

Written by the BTS team · Hanoi.exe

Further reading: Department of Cultural Heritage – Doctoral Steles