Paris Mayor Bertrand Delanoe (R), deputy Mayor Anne Hidalgo (2ndR), Socialist deputy and Mayor 18th district Daniel Vaillant (2ndL) and architect Francoise-Helene Jourda attend the inauguration of the solar power station Halle Pajol in northern Paris April 15, 2013. The huge rehabilitated Halle Pajol is the first solar power station in Paris with 3500m2 of solar panels on its roof and the largest photovoltaic urban complex in France. The solar station is part of urban renewal projects in the French capital. REUTERS/Charles Platiau (FRANCE - Tags: ENERGY ENVIRONMENT SCIENCE TECHNOLOGY POLITICS)