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A dump truck with sprinkler system works in Block II of the Thar coalfield within the framework of the China-Pakistan Economic Corridor in Pakistan's south Sindh Province April 3, 2019. (Xinhua/Liu Tian)
 
 
A dump truck with sprinkler system works in Block II of the Thar coalfield within the framework of the China-Pakistan Economic Corridor in Pakistan's south Sindh Province April 3, 2019. (Xinhua/Liu Tian)