Balinese Hindu people take part in a cleansing ceremony called “Melasti”, in Denpasar, Bali, Indonesia, 25 March 2025. Melasti is a purification ritual where Balinese Hindus cleanse themselves and their sacred objects in the ocean to purify and renew spiritually, symbolizing the washing away of impurities and starting anew. It typically precedes Nyepi, the Day of Silence, marking the Balinese New Year. Balinese will celebrate Nyepi Day on 29 March 2025, during which Hindus on the island of Bali are not allowed to travel, work, light lamps, cook, or do any other activities. (Photo by Made Nagi/EPA)

Revellers get into the spirit of the 40th annual Zomercarnaval – summer carnival – in Rotterdam on July 28, 2024. The two-day event is such in integral part of Netherlands tradition it was added to Unesco’s Intangible Cultural Heritage list last year. (Phoot by James Petermeier/ZUMA Press Wire)

Egyptian bootblacks cleaning a European's shoes in Cairo. (Photo by Hulton Archive/Getty Images). Circa 1870

Naturally, it is important that a baby learn the right habits. This woman demonstrates that smoking is wrong for babies. From a series of images parodying women's lifestyle and beauty magazines. (Photo by Jacobsen/Getty Images). 1955

Girls practice sit-ups during gymnastics lessons at the Shanghai Yangpu Youth Amateur Athletic School in Shanghai, China, on May 4, 2016. China's sports system has been enormously successful since the country returned to the Olympic fold in 1980, culminating with the host nation topping the medals' table at the 2008 Beijing Olympics. And yet, with the Rio de Janeiro Games less than three months away, the system is beginning to break down due to the shifting demographics of a more prosperous nation. (Photo by Aly Song/Reuters)

A dancer attends the final rehearsal for the new “VIVID Grand Show” at Friedrichstadt-Palast in Berlin, Germany, September 26, 2018. (Photo by Hannibal Hanschke/Reuters)

An Atlantic seal pup lies amongst the rocks at St Martin's Haven, Pembrokeshire, Wales, Britain October 8, 2018. Seal pups are born with fluffy white non-waterproof coats which they moult out in their fourth week. (Photo by Rebecca Naden/Reuters)

A youth skates next to a road in Palembang, South Sumatra, Indonesia on August 15, 2018. (Photo by Edgar Su/Reuters)