Each winter, since 2009, the transport society of Budapest decorates its trams with more than 30 000 sparkling white and blue LED lights for Christmas. If the tram drives fast, it will turn into a wagon made of spurts of lights.

Bystanders look on as workers arrange silver blue fabric, part of the process of wrapping L'Arc de Triomphe in Paris on September 13, 2021, designed by the late artist Christo. Work has begun on wrapping the Arc de Triomphe in Paris in silvery-blue fabric as a posthumous tribute to the artist Christo, who had dreamt of the project for decades. Bulgarian-born Christo, a longtime Paris resident, had plans for sheathing the imposing war memorial at the top of the Champs-Elysees while renting an apartment near it in the 1960s (Photo by Geoffroy Van der Hasselt/AFP Photo)

Singer Whitney Houston performs onstage at the 2009 American Music Awards at Nokia Theatre L.A. Live on November 22, 2009 in Los Angeles, California. (Photo by Kevork Djansezian/Getty Images)

Revellers attend the Play Time 2016 music festival on the outskirts of Ulaanbaatar, Mongolia, June 26, 2016. (Photo by Jason Lee/Reuters)

Cardi B looking stylish as she leaves the Warner Music Grammy party in NYC on January 26, 2018. (Photo by Splash News and Pictures)

Taylor Swift arrives at the American Music Awards on Tuesday, October 9, 2018, at the Microsoft Theater in Los Angeles. (Photo by Mike Blake/Reuters)