Lau was one of the last holdouts at Rennie's Mill, a village in Hong Kong's Kowloonpeninsula that was home to hundreds of ex-soldiers of Chiang Kai-shek's Nationalist army and their families.
The late street artist Tsang Tsou-choi, a welfare-receiving pariah, was initially dismissed as crazy for plastering the Kowloonpeninsula of Hong Kong with rambling graffiti in which he declared his claims to the ruling class.