Ai Weiwei installation set to shine at Amsterdam Light Festival

The Chinese artist’s piece, Thinline, which represents a theoretical border, takes pride of place among 36 installations at the city’s land- and canal-based annual light festival

Arizona Sky Village’s residents have one rule: ‘Turn off your goddamned lights’

Nearly every house in this rural 450-acre development of stargazers is equipped with its own domed observatory, and outdoor lights are strictly forbidden. Does it also hold answers for combatting America’s problem with light pollution?

10 of the best Christmas light festivals in the UK

From dancing lasers to magical gardens, imaginative light shows are being switched on throughout the land. We preview 10 Christmas spectaculars