Military vehicles surround a wreckage of a trolleybus, in Volgograd, Russia, Monday, December 30, 2013. A bomb blast tore through a trolleybus in the city of Volgograd on Monday morning, killing at least 10 people a day after a suicide bombing that killed at least 17 at the city's main railway station. Volgograd is about 650 kilometers (400 miles) northeast of Sochi, where the Olympics are to be held. (Photo by Denis Tyrin/AP Photo)

A woman reacts while walking among the ruins of damaged buildings following heavy fighting between government troops and Kurdish fighters, on March 2, 2016 in the southeastern Turkey Kurdish town of Cizre, near the border with Syria and Iraq. Thousands in Turkey's Kurdish-majority town of Cizre started returning to their homes today after authorities partially lifted a curfew in place since December for a controversial military operation to root out separatist rebels. (Photo by Yasin Akgül/AFP Photo)

In this April 13, 2015 file photo, a Thai woman splashes water on people from the back of a truck during the Songkran water festival to celebrate Thai New Year in Bangkok, Thailand.Thailand's military government is putting a dampener on the annual nationwide water fight. Despite Thailand's worst drought in 20 years, the junta says it has no intention of limiting the virtually around-the-clock water throwing that defines the three-day Songkran festival. Instead, it has decided to impose morality measures. (Photo by Sakchai Lalit/AP Photo)

A bunker at aformer Swiss artillery fortress called Heldsberg stands near the town of St. Margareten, Switzerland March 22, 2015. Heldsberg fortress, located on the Swiss-Austrian border near the River Rhine and Lake Constance was built from 1938 to 1940 and remained in military use until 1992. Since 1993 it is open to the public as Fortress Museum Heldsberg. (Photo by Arnd Wiegmann/Reuters)

A migratory bird picks her food as army soldiers are reflected in a fountain during rehearsals for the upcoming Republic Day parade at the Raisina hills, the government seat of power, in New Delhi, India, Monday, January 18, 2021. India celebrates Republic Day on Jan. 26, highlighted by a march past by different branches of the military as well as a display of arms and missiles. (Photo by Manish Swarup/AP Photo)

A soldier supporting anti-government opposition groups carries a rocket-propelled grenade launcher on a street in the Fagah area of Mogadishu, Somalia Sunday, April 25, 2021. Gunfire was exchanged Sunday between government forces loyal to President Mohamed Abdullahi Mohamed, who signed into law on April 14 a two year extension of his mandate and that of his government, and other sections of the military opposed to the move and sympathetic to former presidents Hassan Sheikh Mohamud and Sharif Sheikh Ahmed. (Photo by Farah Abdi Warsameh/AP Photo)

An Israeli activist dressed as a clown runs around security forces as they arrest a protester near a police checkpoint at the entrance of the Sheikh Jarrah neighbourhood in east Jerusalem, on June 25, 2021. Tensions between Israel and Palestinians that lead to 11 days of military violence last month, initially flared in the Sheikh Jarrah neighbourhood where Israeli police cracked down on people protesting the planned expulsion of Palestinian families from their homes so Jewish settlers could move in. (Photo by Ahmad Gharabli/AFP Photo)

In this January 11, 2018 photo, a skater jumps a ramp during the inauguration of a new recreational space for skateboarders, created in an abandoned gym at the Educational complex Ciudad Libertad, a former military barracks that the late Fidel Castro turned into a school complex after the revolution in Havana, Cuba. Foreign skateboard enthusiasts supply their Cuban counterparts with boards and other equipment. (Photo by Ramon Espinosa/AP Photo)