A festival-goer is being cooled with a spray at the Heavy Metal festival Copenhell in Copenhagen on June 25, 2026. (Photo by Sebastian Elias Uth / Ritzau Scanpix / AFP via Getty Images) / Denmark OUT

A festival-goer is being cooled with a spray at the Heavy Metal festival Copenhell in Copenhagen on June 25, 2026. (Photo by Sebastian Elias Uth / Ritzau Scanpix / AFP via Getty Images) / Denmark OUT

A festival-goer cools his head with water from a bottle at the Heavy Metal festival Copenhell in Copenhagen on June 25, 2026. (Photo by Sebastian Elias Uth / Ritzau Scanpix / AFP via Getty Images) / Denmark OUT

A festival guest applies sunscreen on his skin at the Heavy Metal festival Copenhell in Copenhagen on June 25, 2026. (Photo by Sebastian Elias Uth / Ritzau Scanpix / AFP via Getty Images) / Denmark OUT

Spider-man fans wait for a promotional event for the upcoming premiere of the film "Spider-Man: Brand New Day", in central London on June 25, 2026. The red carpet photo call event was scaled back due to the extreme heat parts in England this week. (Photo by Brook Mitchell / AFP via Getty Images)

Spider-man fans in costume pose while waiting for a promotional event for the upcoming premiere of the film "Spider-Man: Brand New Day", in central London on June 25, 2026. The red carpet photo call event was scaled back due to the extreme heat parts in England this week. (Photo by Brook Mitchell / AFP via Getty Images)

People in costume wait for a promotional event for the upcoming premiere of the film "Spider-Man: Brand New Day", in central London on June 25, 2026. The red carpet photo call event was scaled back due to the extreme heat parts in England this week. (Photo by Brook Mitchell / AFP via Getty Images)

A Spider-man fan (L) in costume tries to cool off in the heat while waiting for a promotional event for the upcoming premiere of the film "Spider-Man: Brand New Day", in central London on June 25, 2026. (Photo by Brook Mitchell / AFP via Getty Images)