Workers wearing face masks as a protection against the coronavirus disease (COVID-19) carry roasted pigs, locally known as “lechon”, at a restaurant, in Quezon City, Metro Manila, Philippines, December 21, 2020. (Photo by Lisa Marie David/Reuters)

It is already one of the world’s most iconic cities, but this incredible collection shows how much Paris has changed over the course of the past century. The collection, by French photographer Julien Knez, shows Paris in the 1940s against a backdrop of how the same places look today. Knez says he put the striking collection together to celebrate the 71st anniversary of the city’s liberation from Nazi control in August 1944. Here: Soldiers outside the Hotel De Ville in the 1940s. (Photo by Julien Knez/Caters News)

A teenage girl from the Santa Marta favela slum puts on a pair of high heels for a group debutante ball organized by the Pacifying Police Unit from her neighborhood in Rio de Janeiro, Brazil, Friday, August 29, 2014. The ball, which relied on volunteers who coiffed and made up the girls and a formal wear shop that loaned the dresses, helped build goodwill between pacified favelas' residents and the officers who patrol them. (Photo by Silvia Izquierdo/AP Photo via The Palm Beach Post)

Visitors look at an elephant swimming in a pool at Khao Kheow Zoo in Chonburi, east of Bangkok, Thailand on February 4, 2020. (Photo by Chaiwat Subprasom/SOPA Images/LightRocket via Getty Images)

Models wearing facekinis, popular with female bathers who want to protect more than just their modesty, pose for a picture on a beach on August 5, 2019 in the Chinese seaside city of Qingdao, Shandong Province of China. (Photo by Xu Chongde/VCG via Getty Images)

A contestant lies in a chili covered pool eating Chillies during a chili eating contest on July 8, 2018 in Ningxiang, Hunan Province of China. Citizen Tang Shuaihui ate 50 Chillies in one minute winning the contest. (Photo by VCG/Getty Images)

A Palestinian youth swings a homemade fireworks sparkler, as people celebrate on the night ahead of the Muslim holy fasting month of Ramadan, in Gaza City on April 11, 2021. (Photo by Majdi Fathi/NurPhoto/Rex Features/Shutterstock)

Dallas Cowboys cheerleaders entertain the crowds during a match against Washington Football Team at AT&T Stadium on December 26, 2021 in Arlington, Texas. (Photo by Tim Heitman/USA TODAY Sports)