Tourists look at other festival-goers playing in the mud during the Boryeong Mud Festival at Daecheon beach in Boryeong, about 190 km (118 miles) southwest of Seoul, July 19, 2013. About 2 to 3 million domestic and international tourists visit the beach during the annual mud festival, according to the festival organisers. (Photo by Lee Jae-Won/Reuters)

Amateur astronomer Bill Snyder has been involved with astrophotography since 2007. Photo: The Cygnus Wall is in the southern area of NGC7000 also known as the North America Nebula. It is approximately 1800 light years from Earth, and is in the constellation Cygnus. The Wall is an energized shock front and contains the most concentrated star formations in the nebula. The size of the North America Nebula is about 4 full moons. (Photo and caption by Bill Snyder)

Participants perform parade in the street during Grebeg Sudiro festival on January 19, 2020 in Solo City, Central Java, Indonesia. Grebeg Sudiro festival is held as a prelude to the Chinese New Year, which falls on January 25th this year, welcoming the Year of the Rat. People bring offerings known as gunungan, including Chinese sweetcakes piled up into the shape of mountains, which are paraded in the streets followed by Chinese and Javanese performers. (Photo by Ulet Ifansasti/Getty Images)

Mohammed Abu Al-Qumsan, whose wife Jumann, and newborn twins Asser and Ayssel were killed in an Israeli strike while he was bringing the twins' birth certificates, according to medics, reacts as he holds the certificates, in Deir Al-Balah in the central Gaza Strip on August 13, 2024. (Photo by Abdullah Al-Attar/Reuters)

A woman looks on during a protest asking for the release of Israeil and German people held by Hamas in Gaza, outside the Germany embassy in Tel Aviv, Israel, Wednesday, October 25, 2023. (Photo by Francisco Seco/AP Photo)

Dutch artist Daan Roosegaarde paid homage to Vincent Van Gogh's famous “Starry Night” painting by creating a glowing bike path relying on solar-powered LED lights. The 650-yard route which opened November 12, 2014 extends between Eindhoven and Neunen, Netherlands, where Van Gogh spent part of his life. Its the first event marking the 125th anniversary of Van Gogh's death July 29, 2015. (Photo by Pim Hendriksen/Studio Roosegaarde)

Fans dressed as Darth Vader and Chewbacca take a boat trip to the Skelligs on May 4, 2018 in Portmagee, Ireland. The first ever Star Wars festival is taking place against the backdrop of the famous Skellig Michael island which was used extensively in Episode VII and Episode VIII of the popular science fiction saga. The small fishing village of Portmagee, which is closest to the location, has seen a boom in tourism following the latest films. The vilage will host a Star Wars drive-in and a Star Wars themed Irish dancing competition over the weekend. (Photo by Charles McQuillan/Getty Images)

From Britain to China to Mali, new maps showing travel times to the nearest urban centre reveal huge differences between countries. Using Open Street Map and Google, a University of Oxford team have created a visual breakdown that suggests major inequalities when it comes to commuting. Here: China. The dataset used for China was unique as it relied solely on Open Street Map, due to restrictions on accessing Google data. The population is densely concentrated in the east and accessibility is increased, whereas rural provinces in the west remain remote. (Photo by Daniel Weiss/Jennifer Rozier/Malaria Atlas Project/University of Oxford)