![APTOPIX Brazil Surfer Dogs Cecilia Canetti practices yoga on a stand-up paddle board as her dog Polo accompanies her off Barra de Tijuca beach in Rio de Janeiro, Jan. 16, 2014.](https://api.time.com/wp-content/uploads/2014/02/brazil-southern-hemisphere-photos-summer-winter-6.jpg?quality=85&w=2400)
By TIME Staff
![Heavily Polluted Guanabara Bay To Be Site For Water Sports At Rio Summer Olympics Kids play along the shoreline of Guanabara Bay in the Ilha do Governador neighborhood of Rio de Janeiro on Jan. 21, 2014.](https://api.time.com/wp-content/uploads/2014/02/brazil-southern-hemisphere-photos-summer-winter-1.jpg?quality=75&w=2400)
![BRAZIL-SUMMER-FEATURE People swim at the SESC Belenzinho club in Sao Paulo, Brazil on Jan. 31, 2014.](https://api.time.com/wp-content/uploads/2014/02/brazil-southern-hemisphere-photos-summer-winter-2.jpg?quality=75&w=2400)
![BRAZIL-SUMMER-FEATURE People lounge poolside at the SESC Belenzinho club in Sao Paulo, Brazil on Jan. 31, 2014.](https://api.time.com/wp-content/uploads/2014/02/brazil-southern-hemisphere-photos-summer-winter-3.jpg?quality=75&w=2400)
![BRAZIL-SUMMER-FEATURE People swim at the SESC Belenzinho club in Sao Paulo, Brazil on Jan. 31, 2014.](https://api.time.com/wp-content/uploads/2014/02/brazil-southern-hemisphere-photos-summer-winter-4.jpg?quality=75&w=2400)
![Heat Wave Hits South Australia Heat Wave Hits South Australia](https://api.time.com/wp-content/uploads/2014/02/australia-southern-hemisphere-photos-summer-winter-5.jpg?quality=75&w=2400)
![APTOPIX Brazil Surfer Dogs Cecilia Canetti practices yoga on a stand-up paddle board as her dog Polo accompanies her off Barra de Tijuca beach in Rio de Janeiro, Jan. 16, 2014.](https://api.time.com/wp-content/uploads/2014/02/brazil-southern-hemisphere-photos-summer-winter-6.jpg?quality=75&w=2400)
![Heat Wave Hits South Australia A man sunabathes in the midday sun during a heat wave at Glenelg beach on Jan. 13, 2014 in Adelaide, Australia.](https://api.time.com/wp-content/uploads/2014/02/australia-southern-hemisphere-photos-summer-winter-7.jpg?quality=75&w=2400)
![BRAZIL-RIO DE JANEIRO-GUANABARA BAY-SUNRISE BRAZIL-RIO DE JANEIRO-GUANABARA BAY-SUNRISE](https://api.time.com/wp-content/uploads/2014/02/brazil-southern-hemisphere-photos-summer-winter-8.jpg?quality=75&w=2400)
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