It's taken roughly five months, but a massive iceberg has separated from Antarctica's Pine Island Glacier. According to NASA's Earth Observatory, the estimated size of this iceberg, named B-31, is around 660 square kilometres (33 km long by 20 km wide) – a city-sized block of ice that has slowly migrated away from the continent, and is now floating out to sea. Take a look at some massive icebergs afloat in the oceans. Photo: File photo of an iceberg floating near a harbour in the town of Kulusuk, east Greenland August 1, 2009. (Photo by Bob Strong/Reuters)

A woman cries while sitting on a road amid the destroyed city of Natori, Miyagi Prefecture in northern Japan March 13, 2011, after a massive earthquake and tsunami. Five years on from the tsunami that triggered meltdowns at Japan's Fukushima nuclear plant, the page is anything but turned. A magnitude 9 earthquake and towering tsunami on March 11, 2011 killed nearly 16,000 people along Japan's northeastern coast and left more than 2,500 missing. The 10-metre (33-foot) tsunami swept away everything in its path, including houses, ships, cars and farm buildings. (Photo by Asahi Shimbun/Reuters)

In this Sunday, March 31, 2019, file photo, Marc Marquez, of Spain, drives his motorcycle during the Moto GP race at the Termas de Rio Hondo circuit in Argentina. The reigning MotoGP champion has dominated the Circuit of the Americas from the year it opened and the Repsol Honda rider comes back right back on top of the season standings in a chase for a sixth title in seven years. (Photo by Nicolas Aguilera/AP Photo/File)

A staff member demonstrates how she puts on the helmet of a mock space suit at the C-Space Project Mars simulation base in the Gobi Desert outside Jinchang, Gansu Province, China, April 17, 2019. The facility – comprising several interconnected modules including a greenhouse and a mock decompression chamber – opened its doors to the public. (Photo by Thomas Peter/Reuters)

Egyptian 26-year-old dancer Nadine El Gharib, dances on the rooftop of her home in Cairo, Egypt, Monday, September 27, 2021. “Dance was crucial when COVID-19 started in terms of taking care of my well-being”, Gharib said. “When restrictions forced us to stop going to the Opera for classes I started online dance and it introduced me to a new world of dance. It was very inspiring”. (Photo by Nariman El-Mofty/AP Photo)

A woman kneels down to pray at a “Pray and swipe right” event organised by online dating app Tinder, with social-distancing stickers featuring its flame logo on the praying ground, a photo booth where people can take profile pictures for their new accounts, and free offering sets, at the Trimuriti shrine on Valentine's Day in Bangkok, Thailand February 14, 2022. (Photo by Soe Zeya Tun/Reuters)

A woman holds a portrait of Alexei Navalny and a book titled “A saint against the Reich” as people gather outside the Church of the Icon of the Mother of God Soothe My Sorrows, in Moscow, Russia, Friday, March 1, 2024. Relatives and supporters of Alexei Navalny are bidding farewell to the opposition leader at a funeral in southeastern Moscow, following a battle with authorities over the release of his body after his still-unexplained death in an Arctic penal colony. (Photo by AP Photo)

A woman wears roller skates with lights on the bottom at Rich City Skate in Richton Park, Illinois, January 12, 2015. A handful of decades-old skating venues put Chicago at the center of a vibrant African-American subculture of urban roller skate dancing that stretches from Atlanta to Detroit and from Los Angeles to New York. While mainstream roller skating has been on a long decline, a new generation of skaters travel a circuit of rinks around the country to compete and show off their moves. (Photo by Jim Young/Reuters)