[Group of dancers from Russia prepares for a performance at the Latvia Culture Center, Daugavpils, Latvia]

[John F. Kennedy discussing missile gap between Russia and United States in news conference, Washington, DC]

[John F. Kennedy discussing missile gap between Russia and United States in news conference, Washington, DC]

[John F. Kennedy warning Russia against interfering in Congo's internal affairs in news conference, Washington, DC]

[Crowd of spectators, Moscow]

[Visitors passing the tomb of Joseph Stalin's second wife, Nadezhda Alliluyeva, Moscow]

[People in a street with wreckage scattered around, Stalingrad, U.S.S.R.]

[Pair of Soldiers walking on the street, Stalingrad, USSR]