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)

An aerial view shows boats sailing in the marshes of Chibayish in Iraq's southern Dhi Qar province on February 8, 2025. (Photo by Asaad Niazi/AFP Photo)

Houseboats and charter boats are docked in the ice in the harbor at Fischerhof Eldenburg in the Mecklenburg Lake District, northern Germany, Wednesday, February 19, 2025. (Photo by Jens Büttner/dpa)

The “Sarandi” stream, dyed red due to unknown contaminants allege residents, flows into the Río de la Plata on the outskirts of Buenos Aires, Argentina, February 6, 2025. (Photo by Rodrigo Abd/AP Photo)

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)

A Sadhu or a Hindu holy man sits on the banks before taking a holy dip at Sangam, the confluence of the Ganges and Yamuna rivers with the mythical, invisible Saraswati river, during the “Maha Kumbh Mela”, or the Great Pitcher Festival, in Prayagraj, India, on January 13, 2025. (Photo by Adnan Abidi/Reuters)

Aerial view huge cliff rockfall at East Cliff at West Bay in Dorset, UK which happened overnight and has blocked the beach below on December 30, 2024. Golfers can be seen playing on the 15th green at Bridport & West Dorset Golf Club which is next to the latest landslip. The cliff has had frequent rockfalls in the past year which forced Dorset Council at the beginning of 2024 to close the South West Coast Path which runs along the top of the cliff due to safety concerns. (Photo by Graham Hunt/BNPS)

A drone view shows the Folkestone White Horse with a red nose that has been placed to make the landmark overlooking the town look like Rudolph the Red-Nosed Reindeer ahead of Christmas, in Folkestone, Britain, on December 19, 2024. (Photo by Chris J. Ratcliffe/Reuters)