Natural world and wildlife: The Whale Raft by Estebane Rezkallah (France)

Attracted by the smell of flesh, polar bears feast on the carcass of a whale in east Greenland. More than 60 bears were recorded in the area and their behaviour was almost benevolent, possibly due to the abundant food. These winners from the 10 different categories will be among the images on display at Somerset House, London, from 17 April until 5 May

Portraiture: Encounter by Yeintze Boutamba (Gabon)

A tender, intimate portrait of two people in a bedroom. The subjects had wanted to capture this moment for posterity

Object: Octopuses in the Sky by Sussi Charlotte Alminde (Denmark)

Elaborate handmade kites at the international kite fliers meeting on the Danish island of Fanø. It is one of the world’s largest kite-flying events

Creative: Kem the Unstoppable by Jonell Francisco (Philippines)

This portrait was shot in a studio and subsequently transformed into a modern, Renaissance-style image using collage

Motion: Tbourida La Chute by Olivier Unia (France)

Many photographs taken during a traditional Moroccan tbourida, an equestrian performance, depict the riders firing their rifles. Here, Unia wanted to show how dangerous it can be when a rider is thrown from their mount

Lifestyle: Untitled by Hajime Hirano (Japan)

A meticulously composed image of a street vendor selling electronic parts in Akihabara, Tokyo. The district is nicknamed Akihabara Electric Town for its plethora of electrical and electronics shops, which sprang up after the second world war as street vendors sold parts for radios. Nowadays, it is famous for the otaku culture of anime, cosplay, manga and retro video games as well as electronics

Travel: Ask a Shaman by Matjaž Šimic (Slovenia)

A group of shamans in La Paz, Bolivia, shot against the brightly painted local architecture. Shamans play a major role in Indigenous Bolivian culture

Architecture: Centre of the Cosmos by Xuecheng Liu (China)

New York’s Times Square from above, using a very wide angle lens

Street photography: Celebrating Football Club Victories by Khairizal Maris (Indonesia)

Residents celebrate the victory of the Persib Bandung football club by lighting flares in West Java, Indonesia

Landscape: Untitled by Ng Guang Ze (Singapore)

During a solo hike in Wenhai, China, the photographer came across this a narrow stream meandering through grasslands towards a vast, still lake. The image was edited to evoke the look of a pencil sketch