The Rio Tinto river in Spain crosses an ancient mining site which makes the water turn a variety of bright colours. Copper, silver and gold are mined here, as well as iron, which turns the water red. An ochre mix is responsible for the yellow tint of the rest of the river. (Photo by Olivier Jarry-Lancombe/Solent News)

The clear blue water off Sidmouth in Devon, UK in March 2025 turned an orangey-red hue as tonnes of 200 million-year-old sandstone was mixed in by the tide. The 500ft cliff suffered a massive fall in October last year, and took a large section of Otter sandstone and Mercia mudstone with it. (Phoot by Dean Penn/RedZepplin/Bournemouth News)

Clouds turn shades of red and orange when the sun sets behind One World Trade Center and the Manhattan skyline on Wednesday, November 5, 2025 in New York City. (Photo by John Angelillo/UPI/Rex Features/Shutterstock)

Hawk T1 aircraft of the Royal Air Force Aerobatic Team, the Red Arrows, perform a vertical loop during a practice display in Fitties, Greece on November 10, 2025. The team conducted the display practice as part of Exercise SpringHawk 2025. (Photo by AS1 Iwan Lewis/RAF)

Colombia's Tatiana Renteria Renteria (red) wrestles Japan's Yuka Kagami (blue) in their women's freestyle 76kg wrestling semi-final match at the Champ-de-Mars Arena during the Paris 2024 Olympic Games, in Paris on August 10, 2024. (Photo by Punit Paranjpe/AFP Photo)

People visit the Yellow Sea forest park as the leaves of Dawn Redwoods turn red and yellow in winter in Yancheng, eastern China's Jiangsu province on December 4, 2025. (Photo by AFP Photo/China Stringer Network)

A lesser or red panda stands on its hind legs at Chiba Zoological Park on May 20, 2005 in Chiba, Japan. The panda can maintain the position for over 10-20 seconds at a time. (Photo by Koichi Kamoshida/Getty Images)

A man pours red wine on a girl's head during the Batalla del Vino (Battle of Wine) in Haro, on June 29, 2015. Every year thousands of locals and tourists climb a mountain in the northern Spanish province of La Rioja to celebrate St. Peter's day covering each other in red wine while tanker trucks filled with wine distribute the alcoholic beverage to water pistols, back mounted spraying devices, buckets which are randomly poured on heads and into any other available container. More than nine thousand people threw around 130,000 litres of wine during this year's Haro Wine Festival, according to local media. (Photo by Cesar Manso/AFP Photo)