Underwater Wall: Exploring Huanghuacheng Online

Explore the published location page and observe the relationship between water, slopes and masonry. This is an online exercise, not permission or instructions to enter the water.

The huanghuacheng great wall, often celebrated as the "Great Wall over Water," is one of the most breathtaking and least-crowded sections of China's Ming Dynasty frontier defense system. Located in the Huairou District of Beijing, this extraordinary fortification plunges into the emerald waters of the Xishuiyu Reservoir, creating a delicate dance between ancient stone and living water that you will…

The Setting Drive northeast from Beijing, past the concrete sprawl of the capital into the folded green ridges of the Yan Mountains, and the landscape slowly begins to change. The road narrows. The valleys steepen. Somewhere near the border of Hebei Province, in the shadow of the old imperial hunting grounds, the Luan River slows, widens, and turns from a…

• Enter the water to collect a wall fragment
• Dive without checking local access rules
• Observe the online material and describe the landscape

Make a simple sketch showing water, land and the wall as presented on the page. Write two things you can observe and one question you would ask about preserving the site. Complete this on paper; no water entry is needed.