Photo shows the litter pickers getting ready for work.(Photo/Chinanews.com)
Tan Yangxing told his co-worker to pay out the rope until it reaches the ledge. Tan, 43, has worked as spider man for half a year. He told reporters that the litter pickers work in pairs: one man should stand on the skywalk, watching out for the other abseiling to clean the side of the mountain.
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