![CHINA-HARBIN-DRAINAGE DRILL (CN)](135433528_14658240806481n.jpg)
HARBIN, June 13, 2016 (Xinhua) -- A staff worker prepares to enter a well during a drainage drill in Harbin, capital of northeast China's Heilongjiang Province, June 13, 2016. Sixteen vehicles and 300 emergency crew took part in the drill here on Monday. (Xinhua/Wang Song)