Russians play accordions as they walk near the building of the Federal Security Service (FSB, Soviet KGB successor) in Lubyanskaya Square to mark May Day in Moscow, Russia, Sunday, May 1, 2016. As in Soviet times, about one hundred thousand of cheerful workers paraded across Red Square despite a chilly rain, but instead of red flags with the Communist hammer and sickle, they waved the blue flags of the dominant Kremlin party and the Russian tricolor. (Photo by Alexander Zemlianichenko/AP Photo)

Climbers “painted” the Matterhorn red this week to celebrate a special anniversary. A group of mountaineers left red beacons along the route of the famous climb, which is one of the highest mountains in the Alps, and as nightfall came the imposing mountain came alive with colour. The event was organised by clothing brand Mammut to celebrate the 150th anniversary of the first explorers to scale the mountain. (Photo by MSN UK/Mammut)

Russian soldiers rehearse ahead of a forthcoming parade on Red Square in Moscow on November 5, 2017 The event will take place on November 7, marking the 76 th anniversary of a 1941 parade, when Red Army soldiers marched past the Kremlin walls towards the front line to fight Nazi Germany troops during World War Two. (Photo by Mladen Antonov/AFP Photo)

Maasai men of Matapato jostle to parade as they attend the Olng'esherr (meat-eating) passage ceremony to unite two age-sets; the older Ilpaamu and the younger Ilaitete into senior elderhood as the final rite of passage, in Maparasha hills of Kajiado, Kenya on September 23, 2020. Thousands of Maasai men clad in red and purple shawls and with their heads coated in red ochre gathered this week for a ceremony that transforms them from Moran (warriors) to Mzee (elders). (Photo by Thomas Mukoya/Reuters)

Picture dated January 16th, 2023 the Red Arrows training over RAF Scampton in Lincolnshire. The Red Arrows continued their winter training over RAF Scampton in Lincolnshire yesterday, Monday. The planes were seen soaring across the sky and leaving trails of smoke as they practised their famous aircraft formations. The vapour trails were illuminated by the sunlight as the planes rehearsed in the late afternoon. (Photo by Caroline Haycock/Bav Media)

Fans dressed up in costume await the cast members on the red carpet at the world premiere of the film "The Avengers: Endgame" in Los Angeles, California, April 22, 2019. (Photo by Mario Anzuoni/Reuters)

Participants from a North Korea military band perform during the Spasskaya Tower international military music festival in Red Square in Moscow, Russia, Friday, August 23, 2019. (Photo by Alexander Zemlianichenko/AP Photo)