KALININGRAD, RUSSIA - JUNE 21, 2018: Football fans from Switzerland Josef Wyer, Beat Studer, and Werner Zimmermann (L-R), who have arrived in Kaliningrad by a 1964 Gritli tractor, seen outside Kaliningrad Stadium. Three football fans set off on June 9 from Mount Rigi in Central Switzerland and have covered about 1,800km to arrive in Kaliningrad on June 21; they are to support their national football team in a 2018 FIFA World Cup match against Serbia on June 22, 2018. Vitaly Nevar/TASS, Image: 375606913, License: Rights-managed, Restrictions: , Model Release: no, Credit line: Profimedia, TASS