On the Tiananmen Square of early morning, tens of people or crouch or genuflect clears the chewing gum that the tourist leaves is residual. This group of photographs film in October 2004, already had 15 long time up to now. Somebody has done estimation at that time, on Tiananmen Square, the chewing gum that has 600 thousand above about is residual, had become the social effects of pollution with this world-renowned the biggest tourist attraction. Clear the chewing gum on square is residual it is very laborious thing, especially what those for a long time having is residual. Clear together residual, the fastest also want 1-2 minute, and a lot of need many minutes 10. Comparing concentrated place, the chewing gum that every square metre has 10 or so is residual. That day, 30 many workers go up in square, from the morning busy all the time to midday, clear in all 100 Duopingmi's places. After discovering chewing gum is residual, corrode chewing gum besmirch with tailor-made liquid medicine first. The chewing gum shovel in seaming ooze into stone with scoop and brush next comes out, A lot of residual and deep-set into granite, want to use liquid medicine bubble to just can be blown so that move in a few minutes first. Have a few very stubborn residual should spend shovel of more than 10 minutes of ability to rise. Every worker stock the small scoop of 2 above, when job of a day ends, the scoop of these square heads became obtuse. What rise the shovel is residual collect had packed. After the shovel is clean, should brush with steel wire careful granite floor cleaner brush clean. Wipe up of final reoccupy dishcloth lest liquid medicine infiltration causes pollution 2 times. Attend clear the worker of chewing gum, pose of this kind of job should maintain a day. Transient tourist, do not understand what these dustmans are doing more very much. As we have learned, to clear these small chewing gum, annual Tiananmen Square costs 10 thousand yuan about a hundred. Clear this the action plans 5 days to finish originally, reckon to difficulty some are insufficient apparently, used 20 talents finally to finish. Cleaner works all the time afternoon, but be like the effect and not ideal. This group photograph is photographed in October 2004, 15 years are lain between when, have mechanical energy to replace artificial? Is the chewing gum on square residual decreased to do not have? | | | Thank you to be read patiently start a column formerly [in hard disk] , this period author Guo iron flows.