"Tunnel Houses: Living In An Ultra-Thin Tube" - This documentary explores the unique tunnel houses of Hanoi, the vibrant capital of Vietnam. Located in the bustling heart of the old quarter, these remarkable homes ingeniously combine spaces for trade and family life within a single structure. Known as tunnel houses for their narrow and deep design, they are a creative solution to the challenges of limited urban space. Some of these homes rise up to five stories high, showcasing the adaptability and ingenuity of Hanoi’s architectural heritage.