As part of the “Earth Hour” event, organized by the Wildlife Conservation Foundation and aiming to draw attention to the climate crisis and energy saving, the lights of the Sydney Opera House and Sydney Harbor Bridge in Sydney, Australia, were turned off for an hour at 20:30 local time yesterday evening.

The administration of the Sydney Opera House, which participated in the event for the 18th time, said that it was one of the ways to encourage the public to take positive steps in their daily lives.