Bulldozers dismantle jerry-built resettlement buildings in Zhengzhou capital of central China's henan province. a total of eight jerry-built resettlement buildings which were roofed just two months ago were dismantled on Sunday after colliery wastes bricks the main building mateiral for those buildings were found unqualified. about 300 families of the buildings have to wait to live in until next May when they will be refinished.