No. 3 Boundary Stone (1985)

Source: 直觀呈現「界址專條」歷史紀錄 學者籲列界碑為法定古蹟

Text (Google translated) 

In 1985, at the beginning of the Reform and Opening-up of the Mainland, shops were erected along the 3rd Pillar of the Sino-British Street Port Boundary. Then-Police Chief Yao Zhiming (second from left) witnessed this history while patrolling with his colleagues. Yao Zhiming provides pictures (originally taken by He Huangyou)