A super 8 home movie shot in 1974 by an Austrian filmaker in the then-Capital of USSR during a visit to the Country.
In 1974 Moscow population was 7.4 M (15.2 M in 2015) and was by far the biggest soviet city. At the end of the video you can see the All-Soviet Exhibition Centre (renamed with the acronym VVC in 1992). The amusemnet park was built using large parts of the Soviet Pavillion at Expo 1967 in Montreal.
The price to download the video without the watermark and use it in your production is 197 Euros: