A Colombian anti-narcotics policeman stands guard after burning a cocaine lab, which police said belongs to criminal gangs, in a rural area of Calamar in Guaviare state, Colombia, August 2, 2016. Colombian law enforcement has destroyed 104 cocaine laboratories capable of producing some 100 tonnes of the drug annually, the head of the anti-narcotics police said on Tuesday. (Photo by John Vizcaino/Reuters)

Chile's Javier Campillay drives past the burning car of Kazakhstan's Bauyrzhan Issabayev and Gabdulla Ashimov during the Dakar Rally 2014 Stage 2 from San Luis to San Rafael, on January 6, 2014. (Photo by Jean-Paul Pelissier/AFP Photo)

A fire burns during a protest near the National Congress, on the day Senators debate Argentina's President Javier Milei's economic reform bill, known as the “omnibus bill”, in Buenos Aires, Argentina, on June 12, 2024. (Photo by Mariana Nedelcu/Reuters)

A Firefighter walks in a evacuated home in flames at El Cariso Village as the Airport Fire burns on September 10, 2024 in Lake Elsinore, California. The fast-moving Airport Fire that started on September 9 in Orange County grew up to more than 10,000 acres by this afternoon, fire officials said. (Photo by Apu Gomes/Getty Images)

A woman searches for nails and other metal scraps from remains of burned houses that were gutted during a fire at a poor bayside village in the district of Tondo, Manila, Philippines on Friday, May 20, 2022. Investigators said about 300 families became homeless after the fire that happened Thursday night. (Photo by Aaron Favila/AP Photo)

People take part in the Burning of the Clavie fire festival in Burghead, Moray, UK on Saturday, January 11, 2025. Burghead welcomes in the New Year twice each year, on both January 11th and the more traditional January 1st. (Photo by Jane Barlow/PA Images via Getty Images)

The Grand Canyon Skywalk is a transparent horseshoe-shaped cantilever bridge and tourist attraction in Arizona near the Colorado River on the edge of a side canyon in the Grand Canyon West area of the main canyon. USGS topographic maps show the elevation at the Skywalk's location as 4,770 ft (1,450 m) and the elevation of the Colorado River in the base of the canyon as 1,160 ft (350 m), and they show that the height of the precisely vertical drop directly under the skywalk is between 500 ft (150 m) and 800 ft (240 m).

The photography of Art Wolfe covers the globe, capturing landscapes, wildlife, and cultures from every continent; here he talks through a selection of his favourite images. Art Wolfe is an American photographer and conservationist. His photographs have been noted by environmental advocacy groups for their “stunning” visual impact. Here: Snowy owlets (Bubo scandiacus), Arctic National Wildlife Refuge, Alaska, USA. (Photo by Art Wolfe/Art Wolfe Stock)