East Berliners crossing into the West Berlin on November 11, 1989 at the Potsdamer Platz, Germany. (Photo by Kai Wiedenhoefer)

A colourful morning sunrise on Christmas Eve at Victoria Tower on Castle Hill, West Yorkshire, England on December 24, 2017. The history of human activity on the Castle Hill goes back over 4000 years. The site was developed as an iron age hill fort, surrounded by defensive ditches and ramparts. In the Middle Ages there was a castle on the hill, of which the well remains. The present tower was built to commemorate Queen Victoria's Diamond Jubilee of 1897. (Photo by Charlotte Graham/ZUMA Wire/Rex Features/Shutterstock)

Planes land in fog at Heathrow Airport, west London on January 4, 2014, as heavy fog covers a many parts of the south east. (Photo by Steve Parsons/PA Images via Getty Images)

Planes land in fog at Heathrow Airport, west London, as heavy fog covers a many parts of the south east, on April 1, 2014. (Photo by Steve Parsons/PA Wire)

West Berliners crowd in front of the Berlin Wall as they watch East German border guards demolish a section of the wall on November 11, 1989. (Photo by Gerard Malie/AFP Photo)

Workers lay railway track in a tunnel of the Crossrail project in Stepney, east London, Britain, November 16, 2016. Crossrail, which is Europe's largest construction project, is a railway link which will connect outlying areas to the east and west of London with tunnels under the centre of the capital. (Photo by Stefan Wermuth/Reuters)

Arab Israeli contestant Tallinn Abu Hana poses for the judges during auditions for the first Miss Trans Israel beauty pageant in Tel Aviv, Israel, Thursday, March 3, 2016. The winner will represent Israel at a Miss Trans Star International pageant to be held in Spain in August. Tel Aviv has emerged as one of the world's most gay-friendly travel destinations, standing in sharp contrast to most of the rest of the Middle East, where gays can face persecution. (Photo by Ariel Schalit/AP Photo)

Aerial view huge cliff rockfall at East Cliff at West Bay in Dorset, UK which happened overnight and has blocked the beach below on December 30, 2024. Golfers can be seen playing on the 15th green at Bridport & West Dorset Golf Club which is next to the latest landslip. The cliff has had frequent rockfalls in the past year which forced Dorset Council at the beginning of 2024 to close the South West Coast Path which runs along the top of the cliff due to safety concerns. (Photo by Graham Hunt/BNPS)