Photographer Gregg Segal travelled the world to document children and the food they eat in a week. Partly inspired by the increasing problems of childhood obesity, he tracked traditional regional diets as yet unaffected by globalisation, and ironically, found that the healthiest diets were often eaten by the least well off. (Photo by Gregg Segal/The Guardian)

A tourist takes photos among fireweed, or kochia scoparia, at an archaeological site park on September 13, 2022 in Xi'an, Shaanxi Province of China. (Photo by Zhang Yuan/China News Service via Getty Images)

Elementary school sumo wrestlers compete in the sumo ring during the Wanpaku sumo-wrestling tournament in Tokyo, Japan on October 29, 2022. (Photo by Kim Kyung-Hoon/Reuters)

Revelers run through the festival grounds to see the next show at the Governors Ball music festival at Corona Park in the Queens borough of New York City, U.S., June 9, 2024. (Photo by Cheney Orr/Reuters)

A Hindu devotee moves toward the river Brahmaputra in a prostrate manner to perform rituals during Chhath Puja festival in Guwahati, in the northeastern Indian state of Assam, India, Thursday, November 7, 2024. (Photo by Anupam Nath/AP Photo)

Revellers gather for the start of the Annual SantaCon Bar Crawl at Father Duffy Square, a section of Times Square, on December 14, 2019, in New York City. SantCon is an event where people make donations to charitable causes and dress up as a Christmas character and visit bars around the city. (Photo by Steven Ferdman/Getty Images)

A labourer carries sugarcane to load onto a mini truck at the main vegetable and fruit market in Islamabad on July 7, 2020. (Photo by Aamir Qureshi/AFP Photo)

A Nepalese Hindu woman receives TIKA on her forehead while praying to Lord Shiva during the first day of the Sarwan Brata festival, which is observed through prayer and a month of fasting, at the Pashupati Temple in Kathmandu, Nepal, 17 July 2023. (Photo by Narendra Shrestha/EPA)