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This year, the dry season in Southeast Asia has been far d 1.   than normal. And the southern Chinese provinces of Yunnan, Guizhou, and Sichuan are suffering a severe drought. Over 20 million people f  2.   water shortages with some 6.5 million hectares(公顷) of crops affected.

"This is a one in 50-year occurrence(发生) - with a return period o 3.  50 years - so it's quite severe," says Ian Makin, an engineer and senior water resources management specialist with the Asian Development Bank. "Now the problem is that in the dry season most people t 4. are cropping in the Mekong Basin are u  5.pumps and when the water level drops further than normal ,they can't let w 6.   out into their fields and they're struggling to keep the crop a  7. ."

In towns, water resource officials have asked communities to conserve water. Barges and ferries normally plying the river have been forced to halt services, b 8.  in some areas, the r 9.   is nearly dry. And in low-lying areas in Vietnam's fertile Mekong delta, the drought m  10.   salty ocean water can move onto farm land, damaging the soil.

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