The giant reflector frame at the top of One Central Park East tower in Sydney is positioned to catch sunlight reflected up from heliostats on the roof of the lower building. At night the reflectors are illuminated with LEDs. The building was designed

The giant reflector frame at the top of One Central Park East tower in Sydney is positioned to catch sunlight reflected up from heliostats on the roof of the lower building. At night the reflectors are illuminated with LEDs. The building was designed by Ateliers Jean Nouvel and PTW Architects.