Australians rally as the world gears up for what could be the largest climate protest in history

Thousands of people gathered at The Domain in Sydney.

Australians rally as the world gears up for what could be the largest climate protest in history

Australians rally as the world gears up for what could be the largest climate protest in history

Australians rally as the world gears up for what could be the largest climate protest in history

Australians rally as the world gears up for what could be the largest climate protest in history

Australians rally as the world gears up for what could be the largest climate protest in history

Australians rally as the world gears up for what could be the largest climate protest in history

Australians rally as the world gears up for what could be the largest climate protest in history

Australians rally as the world gears up for what could be the largest climate protest in history

Australians rally as the world gears up for what could be the largest climate protest in history

Australians rally as the world gears up for what could be the largest climate protest in history

Australians rally as the world gears up for what could be the largest climate protest in history

Australians rally as the world gears up for what could be the largest climate protest in history

Australians rally as the world gears up for what could be the largest climate protest in history

Australians rally as the world gears up for what could be the largest climate protest in history

In Brisbane, Queen's Park became so overcrowded that people began spilling into the street.

Queens Park can no longer hold the Brisbane #ClimateStrike pic.twitter.com/FI4hzxSuuw

— Ben Smee (@BenSmee) September 20, 2019