“If a man insisted always on being serious, and never allowed himself a bit of fun and relaxation, he would go mad or become unstable without knowing it”. – Herodotus. “You can discover more about a person in an hour of play than in a year of conversation”. – Plato. Photo: Mandalay, Burma. (Photo by Steve McCurry)

A girl uses her mobile phone during the evening at the National Park in Khartoum, Sudan, April 24, 2015. (Photo by Mohamed Nureldin Abdallah/Reuters)

A picture made available on 17 July 2015 shows the bright line of the Milky Way above the old oaks at the Rogalin landscape Park in Rogalin village, near Poznan, on the night of 16 July 2015. (Photo by Lukasz Ogrodowczyk/EPA)

Aerial view of a giant sinkhole on June 09, 2021 in Santa María Zacatepec, Mexico. The giant sinkhole is located 20 kilometers northwest from the capital city Puebla, the hole now measures 110 meters across its widest point, covering around 11,000 square meters and damaging a house built near the place where it appeared. Farmers of the surroundings have been affected since they are not allowed to enter their fields due to the warning perimeter set up by the authorities. (Photo by Hector Vivas/Getty Images)

Sculpture by Danger Dave titled “Damien Hirst Looking for Sharks” is seen on September 13, 2021 in Currumbin, Australia. SWELL Sculpture Festival is an annual exhibition that features 65 large-scale sculptures installed along Currumbin Beach on the Gold Coast in Queensland. (Photo by Matt Roberts/Getty Images)

In the early morning of September 22, 2021, in the Baiyun Mountain Forest Park, Wuzhou City, Guangxi, the surrounding mountains are unobstructed, clouds and mists are lingering, and the gorgeous colorful glow is reflected by the sunrise. (Photo by Sipa Asia/Rex Features/Shutterstock)

A person walks by an Ocean Rebellion activist taking part in a demonstration outside Department for Environment, Food and Rural Affairs (DEFRA) in London, Britain on September 15, 2021. (Photo by Hannah McKay/Reuters)

Revellers enjoying the pubs and clubs in Leeds despite concerns over Omicron on December 10, 2021. Festive revellers have hit the pubs and clubs across the UK tonight as Plan B rules come into force and fears grow over the spread of Omicron. (Photo by Nb press ltd)