Balloons participating in the USSR aeronautical tests, 1927

At the site of the Moscow gas plant in the Basmanny District. Moscow, Russia, 1927.
On October 16, seven balloons participating in the third all-Union aeronautical tests were launched at the Moscow gas plant in the presence of a mass of spectators. Author / Photographer: b
Source: Magazine “Spark”, No. 44 (240). October 30, 1927 (via http://www.pastvu.com)
Shooting direction: south