The Spanish photographer Xavi Bou digitally combines sequential pictures of birds to create a single image, or chronophotograph, that reveals the shapes of their flight paths against Catalonian skies. His work shows the variety and beauty to be found in the daily activities of the local birds, including spiralling storks, swooping starlings and giddy swifts. Here: European herring gulls at Llobregat Delta. (Photo by Xavi Bou/Rex Features/Shutterstock)

A paper mache pig meant to mock Donald Trump sits on display at a protest against the Republican presidential candidate before the start of the Republican National Convention in Cleveland, Ohio, USA, 17 July 2016. Numerous protest groups are expected in Cleveland throughout the four-day-long convention. (Photo by Jim Lo Scalzo/EPA)

With less than a week before Election Day, a Halloween skeleton holds a vote sign outside a home in Falls Church, Virginia, October 29, 2020. (Photo by Kevin Lamarque/Reuters)

A man walks near a boat which has capsized due to strong winds in Istanbul on November 30, 2021. Strong winds continue to blow across Istanbul where the Bosphorus strait is temporarily closed to boat traffic. Four people were killed and dozens injured on Monday in Istanbul, which was hit by high winds. (Photo by Yasin Akgul/AFP Photo)

Amanda Ashe of Oakland, left, faces off with a police officer during the second night of demonstrations in Emeryville, California, following the grand jury decision in the shooting of Michael Brown in Ferguson, Missouri, November 25, 2014. (Photo by Elijah Nouvelage/Reuters)

American supermodel Bella Hadid (R) holds onto her friend's leg for dear life in the second decade of January 2023. (Photo by bellahadid/Instagram)

American singer Ashley Nicolette Frangipane, known professionally as Halsey arrives at the 2022 iHeartRadio Music Awards at Shrine Auditorium and Expo Hall on March 22, 2022 in Los Angeles, California. (Photo by Steve Granitz/FilmMagic)