A tourists visits the bunker of Joseph Stalin in Samara on June 23, 2018. Constructed in 1942, the 37 meter deep Samara bunker had a self-contained air recycling system and power station and could withstand a direct hit from a 2000kg aerial bomb. It however remained a secret until the 1990 for outside world before being declassified and turned into a museum. / AFP PHOTO / MANAN VATSYAYANAA man performs on a bicycle next to the Volga river in Samara, one of the host cities of the Russia 2018 World Cup football tournament, on June 23, 2018. / AFP PHOTO / EMMANUEL DUNAND/ AFP PHOTO / EMMANUEL DUNANDAFP PHOTO / EMMANUEL DUNANDPatrick HERTZOGAFP PHOTO / MARTIN BERNETTI AFP PHOTO / MARTIN BERNETTIAFP PHOTO / MARTIN BERNETTI AFP PHOTO / MARTIN BERNETTIAFP PHOTO / MARTIN BERNETTI AFP PHOTO / MARTIN BERNETTI