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Posted on: 02-04-2009

Participation world water day 26 march 2009

The World Water Day was organized by NWP, Unicef and Aqua for all and held at Blijdorp Zoo in Rotterdam on 26th March 2009.

In advance a request was made to send in innovative ideas to improve water and sanitation.

Arrakis send in one of the 17 ideas on the Siphon water filter, which was also presented by Henk Holtslag.

Both Jan de Jongh and Henk Holtslag participated in the inspiring and well visited day.