netherlands-based studio RO&AD architecten designs the egg-shaped structure entitled ?T IJ as part of a series of objects designed to celebrate the opening of the ?haringvliet sluices.? a group of dam-like hydro constructions, the ?sluices? were opened in order to improve water quality and biodiversity while stimulating fish migration. the structures work to create a new, salt-resistant and salt-loving natural environment. the biodiversity in the surrounding nature reserves will increase while a more robust, healthier ecosystem will develop in the upcoming years. to let people experience and explore these changes, a series of bird observatories, including ?T IJ, have been designed on the haringvliet site.

all images by katja effting
 
  ?TIJ? meaning ?tide? is a dutch word-play which refers to the returning tides in the haringvliet, and when pronounced quickly means ?the egg.? the egg-shaped bird hide designed by RO&AD architecten is situated in a nature reserve near the netherlands? haringvliet sluice. as these islands are breeding grounds and home to several species of birds, the observatory is part of a large scale landscaping plan which offers a place to view several different species.

 
 
to prevent the birds from being disturbed, the last section of the path takes the form of a tunnel built of up-cycled mooring posts and second-hand azobe planks which were once used in the brick industry. the tunnel is covered in sand to provide a habitat for native bi...