This family of warthogs regularly visited our campsite in the Ethiopian highlands so I set up a remote camera with a wide-angle lens to photograph them as they rummaged around for food. They just had a mud bath. (Photo by Will Burrard-Lucas/Caters News Agency)

Gorgeous galaxies and stunning stars make up this selection of pictures from the shortlisted entries for this year’s Insight Astronomy Photographer of the Year award. The winners will be announced on 15 September, and an exhibition of the winning images will be will be displayed in a free exhibition at the Royal Observatory Greenwich’s Astronomy Centre from 17 September. Here: “Seven Magic Points”. The rusty red swirls of the circular, iron sculpture Seven Magic Points in Brattebergan, Norway mirror the rippling aurora above. (Photo by Rune Engebø/Royal Observatory Greenwich’s Astronomy Photographer of the Year 2016/National Maritime Museum)

A reveller reacts amid a “flour war” during the “Ash Monday” celebrations, a traditional festivity marking the end of the carnival season and the start of the 40-day Lent period until the Orthodox Easter, in the port town of Galaxidi, Greece, on March 11, 2019. (Photo by Aris Messinis/AFP Photo)

A man feeds langur monkeys during a lockdown amid the Covid-19 coronavirus pandemic in Pushkar on April 28, 2021. (Photo by Himanshu Sharma/AFP Photo)

A man photographs “Mount Recyclemore”, an artwork depicting the G7 leaders looking towards Carbis Bay, made from electronic waste by Joe Rush and Alex Wreckage, ahead of the G7 summit, at Hayle Towans in Cornwall, Britain, June 8, 2021. (Photo by Tom Nicholson/Reuters)

A protester wearing improvised protective headgear walks away from a cloud of tear gas on July 18, 2021 in Bangkok, Thailand. Student protesters called for a demonstration demanding the resignation of Thailand Prime Minister Prayuth Chan-o-Cha, despite a ban on gatherings because of the country's current Covid-19 outbreak, and folded a demand for better action in combating the virus into their demands. (Photo by Sirachai Arunrugstichai/Getty Images)

LGBT activists take part in a “Rave Pride” demanding state support for the local LGBTQ outside Ukrainian President's office in Kyiv, Ukraine on July 30, 2021. (Photo by Gleb Garanich/Reuters)

A child prays in front of the cenotaph dedicated to the victims of the atomic bombing at the Hiroshima Peace Memorial Park in Hiroshima, western Japan Friday, August 6, 2021. Hiroshima on Friday marked the 76th anniversary of the world's first atomic bombing of the city. (Photo by Kyodo News via AP Photo)