“USTech H2.O” held in Washington DC, US – Xinhua

Xinhua
Mark Owen, CEO of Purialyitics, detailes water technology at “USTech H2.O”, an event held in recognition of World Water Day on US Department of State in Washington D.C., capital of the United States, March 21, 2014. The US department of State

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Source: Washington D.C. News From Google

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