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The Nemrut Volcano Eyes architecture competition tasked participants with envisioning a visitor observation platform to be constructed atop Nemrut, a volcano located in eastern Turkey. Given the site and limited access, submissions with cost-effective, environmentally-responsible and energy-efficient construction methods were viewed favorably. The winning project by Fernando Irizarry and Marcos Ortiz Gabriel Rivera from the University of Puerto Rico (the “Upservatory”) considers the viewing station as a mobile, 20m²-circular platform elevated into the air by a hot air balloon with an asymmetrical form. Following a rollercoaster-like track, the mobile observatory would provide visitors with a number of breaktaking views over the caldera.

Second prize went to Keremcan Kirilmaz and Erdem Batirbek from Turkey who designed a winding observation route in a form reminiscent of a lava flow. Third prize went to Giuseppe Pastonesi, Desislava Georgieva, Marchela Varbanova and Nina Gerosa from Italy whose project ‘A walk beyond the edge’ featured a triangulated platform with cantilevered viewing points to the crater and Lake Van.

To see the renderings and images, as well as the winners of the BB Green Award “Obsidian & Steel” by Sam Naylor and Elaine Stokes from the USA, visit

1st prize

2nd prize

3rd prize