The Edge in Amsterdam is described as the greenest and most intelligent building. It uses solar panels on the roof and facades to generate electricity. It has over 28,000 sensors to control various building functions. The atrium acts as the central hub, and a network of paintings helps renovate air which is output to the atrium to create natural ventilation throughout the building. Temperature variations and air currents make occupants feel like outdoors. Large windows and slanted covers provide natural light and noise insulation from the outside.