Clearly, Hakka people were a special and distinct part of the cultural diversity that was Hong Kong during the time that linen crafter, business woman, and dollmaker Ada Lum made her life there; as seen in one of her following creations....
Information gleaned from:
Lonely Planet: China's Southwest by Damian Harper, 2007, p372
More information about the tulou can be found in:
Lonely Planet: China by Damian Harper et al, 2005, p340
Frommer's China by Simon Foster et al, 2010, p533
Wikipedia: Hakka People