Walls, stones and mirrors evoke the nitrogen diagram. From mud to ether... An artistic project, which is integrated in the architecture by Luc Weizmann for the new water treatment system at Seine-Aval for Paris and its area, opened on June 29th 2007.

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The moulded cement

Around one kilometre of cement surrounds east-, west-, northwards and along the cross avenue, the basins and it becomes animated depending on the sunlight and the sun course. Its flickering gives life to the walls and reason to the nitrification process.

Bas-relief in the hall

Bassorilievo NO3

Bassorilievo della sala

Bassorilievo N2