Participants of the third Winter Solstice Nude Charity Swim wade into the waters of Lake Burley Griffin in Canberra, Australian Capital Territory, Australia, 06/21/2019.

At exactly Sunrise, on the shortest day of the year in the Southern Hemisphere, a group of swimmers donate to charity so they can drop their towels to swim nude in the frigid waters of Lake Burley Griffin in Canberra.