First Soviet stratospheric balloon in mid-air.
- Categories: Environmental Issues, Economy, Business & Finance, Science & Technology
- Location: Moscow region, Russia
- Event date: 30.09.1933
- Date published: 31.01.2005
- Author: Shagin
- Source: Sputnik
- Credit: Sputnik
- Original: 86-18989, 35 mm film
- Media: JPEG, 1965x3000px, 2.6Mb