Visitors look at water treatment machinery during a water management exhibition in Dhaka, capital of Bangladesh, on Oct. 5, 2017. A three-day South Asia's leading exhibition on water and waste water sector "Bangladesh Water Expo 2017" kicked off in Dhaka on Thursday. (Xinhua/Salim Reza)
Bangladesh Water Expo 2017 kicks off in Dhaka
Source: Xinhua| 2017-10-05 19:33:27|Editor: Song Lifang
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