1st June 1973: A Hungarian primary school student dressed as a railway official making a telephone call. He is at the Pioneers' Railway of Budapest, a model railway staffed by children. (Photo by Jozsef Bajkor/Keystone/Getty Images)
1st June 1973: A Hungarian primary school student dressed as a railway official making a telephone call. He is at the Pioneers' Railway of Budapest, a model railway staffed by children. (Photo by Jozsef Bajkor/Keystone/Getty Images)