Norway's Karsten Warholm celebrates winning the men's 400m hurdles at the Diamond League in London, July 21, 2018. (Photo by Andrew Boyers/Action Images via Reuters)

2016 Rio Olympics, Artistic gymnastics, Women's Training, Rio Athletes Park, Rio De Janeiro, Brazil on July 27, 2016. A gymnast from Russia trains. (Photo by Ivan Alvarado/Reuters)

The annual Antarctic photography exhibition, which is part of Hobart’s Antarctica festival is back on with its chilly, majestic imagery. The winner this year is Sydney’s Sam Edmonds with his striking photo of a gentoo penguin in the snow. Here: Casey Station 2017. (Photo by Chris J. Wilson/The Guardian)

Determination: silver. Adam Pelech (No 3) of the New York Islanders and Brian Boyle of the Florida Panthers crash the boards during their game at Barclays Center in New York. (Photo by Al Bello/Getty Images)

These spectacular images of the universe are the finalists in the 2016 CWAS “David Malin” awards. The annual competition, which celebrates the best astronomy images taken by Australian photographers, is part of AstroFest 2016. The winners will be announced on 16 July. An associated exhibition opens the following day at the CSIRO Parkes Observatory visitors centre, and a second exhibition will also travel to selected venues around Australia. Here: Mars and its Rival Antares and the Rho Ophiuchi cloud complex. (Photo by Phil Hart/CWAS/The Guardian)

In this two photo combination picture, the Eiffel Tower with its usual lighting at left, and after the lighting was switched off at right, at the occasion of the Earth Hour, in Paris, France, Saturday March 28, 2015. This Saturday, 28 March 8:30 p.m. local time, individuals, businesses, cities and landmarks around the world are switching off their lights for one hour to focus attention on climate change. (Photo by Remy de la Mauviniere/AP Photo)

The two Pulis Quastie and Gin-Gin run in the snow in their garden in Lautertal, southern Germany, Thursday, January 5, 2017. (Photo by Michael Probst/AP Photo)

Storm clouds blanket the sky over Great American Ball Park as Starlin Castro #13 of the Chicago Cubs fields a ground ball in the fifth inning against the Cincinnati Reds as on July 7, 2014 in Cincinnati, Ohio. (Photo by Jamie Sabau/Getty Images)