Switzerland's head coach Vladimir Petkovic, centre, leaves the plane upon national soccer team's arrival at an airport ahead of the World Cup in Samara, Russia, June 11, 2018. The World Cup 2018 will start on June 14 and take place in 11 cities across Russia.

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Switzerland's Stephan Lichtsteiner, left, walks upon national soccer team's arrival at an airport ahead of the World Cup in Samara, Russia, June 11, 2018. The World Cup 2018 will start on June 14 and take place in 11 cities across Russia.

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Switzerland's Johan Djourou leaves the plane upon national soccer team's arrival at an airport ahead of the World Cup in Samara, Russia, June 11, 2018. The World Cup 2018 will start on June 14 and take place in 11 cities across Russia.

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Switzerland's Ricardo Rodriguez walks upon national soccer team's arrival at an airport ahead of the World Cup in Samara, Russia, June 11, 2018. The World Cup 2018 will start on June 14 and take place in 11 cities across Russia.

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Switzerland's Valon Behrami, centre, and Switzerland's Stephan Lichtsteiner, right, leave the plane upon national soccer team's arrival at an airport ahead of the World Cup in Samara, Russia, June 11, 2018. The World Cup 2018 will start on June 14 and take place in 11 cities across Russia.

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Switzerland's goalkeeper Yann Sommer walks upon national soccer team's arrival at an airport ahead of the World Cup in Samara, Russia, June 11, 2018. The World Cup 2018 will start on June 14 and take place in 11 cities across Russia.

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Switzerland's Michael Lang, centre, leaves the plane upon national soccer team's arrival at an airport ahead of the World Cup in Samara, Russia, June 11, 2018. The World Cup 2018 will start on June 14 and take place in 11 cities across Russia.

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Switzerland's Stephan Lichtsteiner, centre, walks upon national soccer team's arrival at an airport ahead of the World Cup in Samara, Russia, June 11, 2018. The World Cup 2018 will start on June 14 and take place in 11 cities across Russia.

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Switzerland's national soccer team's players leave the plane upon arrival at an airport ahead of the World Cup in Samara, Russia, June 11, 2018. The World Cup 2018 will start on June 14 and take place in 11 cities across Russia.

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