The images were taken off the coast of Tonga in the South Pacific. Photographer Grant Thomas said: “Through my images I aim to show off the amazing life we have on our planet in hope of inspiring more people to experience it for themselves and, most importantly, care for it”. (Photo by Grant Thomas/Caters News Agency)

In this November 11, 2017 photo, children dressed in traditional outfits play during the Azorean Culture Festival which celebrates the culture of the Azores, the Portuguese island chain in the mid-Atlantic, in Enseada de Brito, in Brazil's Santa Catarina southern state. “We have to make sure that our culture always stays alive, not let it die”, said Andre Cordeiro, who leads one of the singing and dancing groups that performed this year. “We are able to pass it on from generation to generation”. (Photo by Eraldo Peres/AP Photo)

Arlo Dela Cruz and Maica Nicerio-Dela Cruz on their wedding day with the Mayon volcano erupting in the background, in Daraga, Albay, Philippines on January 25, 2018. They were married earlier in the afternoon at Our Lady of the Gate Parish. After their wedding they walked out to Red Labuyo restaurant and the volcano started its eruption. The Mayon volcano continued to erupt Thursday. The airport in Legazpi is closed until at least 31 January 2018. (Photo by ZUMA Press/Alamy Stock Photo)

“People and Space”. Winner: Wanderer in Patagonia by Yuri Zvezdny (Russia) A lone stargazer stares up at the stars of our galaxy, the Milky Way, as they stretch across the night sky over the glacier “White Stones” (Piedras Blancas) in the Los Glaciares National Park, Argentina. El Chaltén, Santa Cruz Province, Argentina, 27 September 2016 iOptron Sky-Tracker mount, Sony A7S camera, 18 mm f/2.8 lens, ISO 5000, 30-second exposure Wanderer in Patagonia. (Photo by Yuri Zvezdny/Insight Astronomy Photographer of the Year 2017)

Coca growers chew coca leaves during a celebration for the reincorporation of Bolivia to the UN Convention Against Illicit Traffic in Narcotic Drugs in La Paz on January 14, 2013. “The coca leaf is not any more seen as cocaine (...), it is a victory of our identity” said Bolivian President Evo Morales. (Photo by Jorge Bernal/AFP Photo)

Image of the Clouds taken in August 2014 by astronauts on board the International Space Station (ISS). A year from space photographs of hurricanes, typhoons and meteorite craters show an astronauts-eye view of our planet from hundreds of miles above the earth. The illuminating images were taken by astronauts onboard the International Space Station (ISS) over the course of 2014. (Photo by NASA/SPL/Barcroft Media)

An old toilet is displayed during the “Toilet!? Human Waste and Earth's Future” exhibition at The National Museum of Emerging Science and Innovation – Miraikan on July 1, 2014 in Tokyo, Japan. The exhibition focuses on how the toilet has changed our daily lives and discovers what the most environment-friendly and ideal toilet is. (Photo by Keith Tsuji/Getty Images)