In 2002 MIT professors started a not-for-profit called BioBricks that has collected 2, 000 biological components, including gene sequences that sense light, produce light, send messages between cells and switch cell functions on and off.

FORBES: Architect of Life

Local communities supported the bid, with residents in Talybont-on-Usk holding their own Star Party and organising a community light switch off.

BBC: Brecon Beacons National Park wins dark sky status