Spiral Drawing Sunrise, artwork by Esther Polak and Ivar van Bekkum, recordes sunrises using a small solar powered robot.
Powered by the sun, it moves and deposits sand to reveal a spiral pattern reflecting the sunrise.
Spiral Drawing Sunrise, artwork by Esther Polak and Ivar van Bekkum, recordes sunrises using a small solar powered robot.
Powered by the sun, it moves and deposits sand to reveal a spiral pattern reflecting the sunrise.