No space under the bridge: Concrete spikes 20cm high have been placed in various areas popular with homeless people in the Chinese city of Guangzhou
Spiky: Homeless people will avoid sleeping under this bridge after the deterrents were placed there
Captured: Photos of the works were posted by citizens onto Sina Weibo, China’s microblogging service
Denials: But the Bureau of City Management, Bureau of Transportation and Bureau of Construction have each said they are not responsible