These breathtaking images capture the hidden depths of one of the worlds largest caves, which is so big its home to a beach, a river and a jungle. At more than 130m high, and 150m across, the imposing cave is so big as high as the London Eye and wider than one-and-a-half football pitches. Here: The campers set up inside the cave on the beach. (Photo by Lars Krux/Caters News)

A combination photo shows the faces of various attendees of New York Comic Con in Manhattan, New York, October 8, 2015. The event draws thousands of costumed fans, panels of pop culture luminaries and features a sprawling floor of vendors in a space equivalent to more than three football fields at the Jacob Javits Convention Center on Manhattan's West side. (Photo by Andrew Kelly/Reuters)

Frenchman Georges Speicher drinks as he starts riding down the Col de l'Aubisque during the 18th stage of the Tour de France between Tarbes and Pau. on July 17, 1933. Speicher finished second beaten by Spanish winner Learco Guerra to retain his overall leader's yellox jersey on his way to winning the Tour de France. (Photo by France Presse Voir/AFP Photo)

German football fans before the start of the EURO 2012 Group A qualifier match between Germany and Kazakhstan at Fritz-Walter-Stadium on March 26, 2011 in Kaiserslautern, Germany.

French celebrities show off dresses made with chocolate at the Paris chocolate fair on October 27, 2021 in Paris, France. From left: Gennifer Demey, a weather forecaster; Isabelle Vitari, an actress; and Alicia Aylies, Miss France 2017. (Photo by Laurent Viteur/Getty Images)

In this image made available by France's Marine Nationale, the cargo ship TK Bremen sits stranded on a beach near Erdeven, France, on December 16, 2011, spilled fuel oil fouling the water. (AP Photo/Mael Prigent, Marine Nationale)

A pregnant woman poses on June 19, 2018 in Vertou, western France. France had an estimated population of 68.4 million by January 1, 2024, representing a further year-on-year increase of 0.3 percent, limited by a marked drop in the birth rate, the INSEE national statistics bureau of France reported on January 16, 2024. In 2023, 678,000 babies were born in France, 6.6 percent fewer than the previous year, the lowest number of births in any year since 1946. Over the same period, there were 631,000 deaths, down 6.5 percent on 2022, a year marked by the consequences of the Covid-19 pandemic and episodes of extreme heat. (Photo by Loic Venance/AFP Photo)