In villages around Kaiping, Guangdong, tall diaolou rise above ordinary houses. Some served as watchtowers; others were fortified homes or shared refuges. Their shapes can look unexpectedly varied, with details that recall places far beyond the village.
Many were built or financed during a period when families had members living and working abroad. The buildings record migration, money sent home and a desire for safety. They do not turn that history into a cheerful tale of “East meets West”: leaving home and building defences both hint at harder circumstances.
Three towers can have three jobs
UNESCO distinguishes communal towers, residential towers and watchtowers. A communal tower built by several families could provide temporary refuge. A fortified residence served a different daily purpose, while a watchtower belonged to observation and defence. Height alone does not tell you which kind you are looking at.
That difference affects how you imagine the building being used. Temporary shelter is not the same arrangement as a family’s ordinary home. Sharing a refuge also raises different questions about who supported it and who expected to use it.
The buildings vary in materials as well as appearance. The listing identifies stone, earth, brick and concrete among the construction materials. A photograph of an elaborate upper section can distract from those practical choices in the rest of the structure.
Connections with people overseas are another part of the account. UNESCO links the towers with Kaiping emigrants active abroad in the late nineteenth and early twentieth centuries. Migration could leave a visible mark in the place people had left, through buildings supported by families with lives elsewhere.
A detail resembling a style found abroad may be a useful starting point, but it is not a complete biography. You cannot identify one family’s journey solely from a roofline. Building records and a documented history are needed before assigning a particular route or intention.
Nor should the defensive purpose disappear beneath admiration of the design. UNESCO connects the local tradition with responses to banditry. A building could combine an attractive form with a serious practical concern. Those functions are not mutually exclusive.
Look at a tower photograph in stages: its position among neighbouring buildings, its overall shape, then the smaller decorative features. Ask which details concern use and which might concern style. The combination gives you more to investigate than an instant label about two cultures meeting. These were buildings made for people, with particular needs and connections, rather than symbols that all tell one identical story.
The World Heritage listing selects twenty towers within four groups. Those selected examples help explain the tradition, but should not be mistaken for every surviving tower in the wider area.
An address in two places
Imagine saving money overseas for a building your family will use back home. What would you want it to do? Keep people safe, show that you returned, or carry a memory of where you had been? Different towers answered those questions differently.
When you see a surprising architectural detail, do not assume it is simply decoration. It may be a clue to the journeys, fears and hopes that paid for the walls.
Explore next
- Could a whole family live in one round house?
- How can a wooden bridge hold together?
- The Great Wall was built in chapters
Sources
- UNESCO World Heritage Centre: Kaiping Diaolou and Villages

