Children, wearing red neckerchiefs, a symbol of the Pioneer Organization, salute during a ceremony for the inauguration of 18 new members at a local school in the southern settlement of Kazminskoye in Stavropol region, Russia, November 19, 2015. Early pro-communist youth movements, which appeared in Russia after the 1917 Bolshevik revolution, were reformed into the Pioneer Organization of the Soviet Union. While the organization lost its dominance among students in post-Soviet Russia, some educational institutions and families still carry on this tradition. (Photo by Eduard Korniyenko/Reuters)

A picture taken with a drones shows Kayakers make use of the current that flows over a dike in the flood plains of the Waal river, with the Waal bridge of Nijmegen in the background in Lent, the Netherlands, 04 February 2021. The heavy rainfall and snow melt in southern Germany has caused a significant rise in the water level in various places in the Netherlands. (Photo by Robin Van Lonkhuijsen/EPA/EFE)

A worshipper wearing a kerchief with the image of the Our Lady of Fatima attends a mass at the Our Lady of Fatima shrine, in Fatima, central Portugal, Wednesday, May 13, 2015. Every year on May 12 and 13 tens of thousands of Catholic believers go on pilgrimage to the Fatima sanctuary to pray and attend masses where the apparitions of the Virgin Mary were witnessed by three shepherd children Lucia, Jacinta and Francisco in 1917. (Photo by Francisco Seco/AP Photo)

Boeing 747-400 of KLM in approach for the “Princess Juliana” airport, Netherlands Antilles Sint Maarten on July 2, 2002. (Photo by LUPOO/Ullstein Bild via Getty Images)

New Year's Eve fireworks display illuminates the sky over the Dom Tower on January 01, 2012 in Utrecht, Netherlands. The Dom tower is with 112.5 metres high the tallest church tower of the Netherlands. Built in Gothic-style, the tower, part of the Cathedral of Saint Martin, is the symbol of the city of Utrecht. (Photo by Jasper Juinen/Getty Images)

Netherlands Antilles Sint Maarten – Boeing 747-400 of KLM in approach for the “Princess Juliana” airport on July 2, 2002. (Photo by LUPOO/Ullstein Bild via Getty Images)

A reconstruction of the first Neanderthal in the Netherlands, nicknamed Krijn, is on display in the National Museum of Antiquities in Leiden, The Netherlands, 06 September 2021. Krijn's face has been worked on for years by the brothers Adrie and Alfons Kennis. (Photo by Bart Maat/EPA/EFE)

Gorillas at Royal Burgers’ Zoo, Arnhem, Netherlands, on November 28, 2013. (Photo by Vidi Photo/Startraks Photo New York)