A photographer has shared his stunning gallery of African sunrises and sunsets. Paul Goldstein says he has spent years trying to photograph the perfect beginning and ending of the Masai Mara day. Thanks to his role as guide for Exodus Travels, there have been countless opportunities to document the beautiful natural spectacle. Photo: “African Fire”: Ostrich at sunset. (Photo by Paul Goldstein/Rex Features)

Every year, in the Rostov region of Russia, a group of 40 young and not so young rural workers compete in the Bison Track Show, or more affectionately known as: Russian Flying Tractor Racing. In front of crowds numbering up to 30,000 people, a series of smoke spilling, monstrous farming machines tear round an 8km mud track, plowing through lakes and dirt mounds, their turbos screaming and tyres scrabbling to find grip.

Revellers in Newcastle, England on the last Friday before Christmas, December 20, 2019. Black Eye Friday festive mayhem hit the nation; Christmas celebrations kicked off with a bang across the country as revellers flocked to pubs and clubs for the biggest night of the year. (Photo by Scott Heppell/PA Images via Getty Images)

Shortlisted images in the running to be crowned Photobox Instagram photograph of the year range from furry friends to the Holi festival to the meaning of love. Judges, including the Guardian’s former picture editor Eamonn McCabe, have whittled down 180,000 submissions to unearth a shortlist that celebrates the best of social media. Winners will be announced October 3, 2018. Here: Najac, France. Travel shortlist. (Photo by Aaron Jenkin/@aaronjenkin)

A White Crested Poland is seen at the National Poultry Show on November 20, 2016 in Telford, England. The annual event continues to grow with around 7000 entries this year from all around the world. (Photo by Leon Neal/Getty Images)

Jo-Anne McArthur’s book of photographs puts the spotlight on ethics of zoos around the world. Accompanied by essays by Born Free Foundation’s Virginia McKenna and philosopher Lori Gruen, the images and stories are also shared online through “A Year of Captivity”. Here: Asian Elephant, Denmark, 2016. (Photo by Jo-Anne McArthur/Born Free Foundation/The Guardian)