Giant umbrellas, with a design based on the principles of sunflowers, will provide moveable shade in the day, store heat, then close and release the heat at night in the plaza of a new eco-city in the United Arab Emirates.  The ‘sunflower umbrellas’ are one aspect of the winning design by the international practice Laboratory for Visionary Architecture [LAVA] for the city centre for Masdar in the UAE - the world’s first zero carbon, zero waste city...more.