War and conflict often bring about the destruction of architecture, however these forces can also result in new constructions that define a cultural identity and place. Stressed by China's growing population, the Hakka people have been confronted with armed warfare for local resources since the 17th century. To remedy their situation the Hakka began building massive structures that could not only stave off intruders, but would also form amazing self-sustaining micro-communities complete with food storage, space for livestock, living quarters, temples, armories and more.

































Those are neat.
Most of the Tulous currently suffer from poor maintenance and hygiene problems. An entire clan would live in one single Tulou. Contrary to the peaceful idyllic appearance, neighboring tulou may be hostile to each other, i.e they are essentially segregated communities. Modern day hakka youths do not want to live in them and are shifting to the city.
Just to put some things into perspective.
Self sustaining? Where’s the crop production? Having food storage areas is no more self-sustaining than a modern house with a fridge and presses.
[...] he had the idea to combine the school with a pedestrian bridge that connected two historic toulou (circular castles made from packed dirt). A creek runs right through the middle of the village and the toulou serve as important historical [...]