An exhausted and frustated migrant holds his head after he missed to get a place on a train heading to the Serbian border at the train station in Gevgelija, The Former Yugoslav Republic of Macedonia, August 13, 2015. From the beginning of the year to mid-June 2015, nearly 160,000 migrants landed in the southern European countries, mainly Greece and Italy, on their way to wealthier countries in Western and Northern Europe, according to estimates by the International Organization for Migration (IOM). (Photo by Georgi Licovski/EPA)

Angler Thomas Rielly catches a fish during the opening of the salmon fishing season on the River Tay January 16, 2012 in Kenmore, Scotland. A procession with a pipe band and anglers made its way through Kenmore at the east end of Loch Tay to mark the start of the 2012 salmon season on the River Tay. (Photo by Jeff J. Mitchell/Getty Images)

Aeronautics and Space engineer at France's Compagnie Maritime d'Expertises, or Comex, Arnaud Prost (C) meets with a jogger as he tests on the ground the “Gandolfi 2” underwater training suit for spacewalk, on January 20, 2016 in the calanques region (rocky inlets) of Marseille. The underwater training suit “Gandolfi 2”, developed with the European Space Agency (ESA), is designed for training astronauts underwater to simulate space gravity for the astronaut's extravehicular activities (EVAs). (Photo by Boris Horvat/AFP Photo)

Rescuers carry an injured passenger on stretcher at Soshigaya Okura Station after stabbing on a commuter train, in Tokyo Friday night, August 6, 2021. A man with a knife attacked 10 passengers on a commuter train in Tokyo on Friday and was arrested by police after fleeing, fire department officials and news reports said. (Photo by Kyodo News via AP Photo)

Technicians check a CRH high-speed train at Shanghai Hongqiao High-speed train base on December 28, 2011 in Shanghai, China. China's railway stations have started today to sell tickets for the 2012 Spring Festival travel season scheduled to run between January 8th and February 16th, centred around the Chinese New Year which this year falls on January 23rd. (Photo by ChinaFotoPress/Getty Images)

Coaches of the North-East Express passenger train that derailed late Wednesday near Raghunathpur railroad station in Buxar district of Bihar state, India, Thursday, October 12, 2023. The train was on its way to Assam state from New Delhi. (Photo by Aftab Alam Siddiqui/AP Photo)

A view of popular train street in the old quarter of Hanoi, Vietnam on July 30, 2022. Hanoi Train Street is one of the most well-known and exciting tourist destinations in the city and trains pass the street twice a day close to buildings on either side of the tracks. (Photo by Chris Humphrey/Anadolu Agency via AFP Photo)

Train attendants take part in a parade training as they visit the national flag guard during a patriotic education event ahead of the 90th anniversary of the founding of the Chinese People's Liberation Army (PLA) in Beijing, China July 25, 2017. (Photo by Reuters/China Stringer Network)