People dance to celebrate Midsummer Eve during sunset at the Amager Strandpark in Copenhagen, Denmark, June 23, 2021. (Photo by Hannah McKay/Reuters)

People take part in a rally in Jakarta, Indonesia, on March 8, 2024. (Photo by Ajeng Dinar Ulfiana/Reuters)

People ride on a motorcycle in Cap-Haitien, Haiti, Wednesday, April 17, 2024. (Photo by Ramon Espinosa/AP Photo)

People pose on the red carpet at the premiere of “Barbie” on Sunday, July 9, 2023, at The Shrine Auditorium in Los Angeles. (Photo by Chris Pizzello/AP Photo)

People have their photographs taken as they throw fallen leaves in autumn colours in Tokyo on November 13, 2022. (Photo by Yuichi Yamazaki/AFP Photo)

People observe a protest against a new citizenship law from a bus, in New Delhi, India, January 3, 2020. (Photo by Anushree Fadnavis/Reuters)

People play Taiji on a square on August 08, 2011 in Luoyang, Henan Province of China. People all over China mark National Fitness Day on Monday in their own ways. (Photo by ChinaFotoPress/Getty Images)

Ursula Sprecher and Andi Cortellini are obsessed with people’s hobbies. The two Swiss artists have spent the past seven years traveling across their native Switzerland photographing gatherings of like-minded people in a myriad array of interests and niche groups.