Solar Energy Generating Waterfall Tower for Rio 2016 Olympic Games : This solar energy generating tower is going to be located on the coast of Rio de Janeiro. It is one of the first buildings that are being designed for the 2016 Rio Olympics. This solar energy generating tower looks like an enormous waterfall. The Solar City Tower is designed by Swiss (Zurich-based) company – RAFAA Architecture &amp; Design. It features a large solar system to generate energy during the day and a pumped water storag