Visitors of the Fourth HeliRussia-2011 International Helicopter Industry Exhibition observing technological models displayed at the Crocus Expo Center.
- Categories: Economy, Business & Finance, Science & Technology
- Location: Moscow, Russia
- Event date: 19.05.2011
- Date published: 19.05.2011
- Author: Grigory Sysoev
- Credit: Sputnik
- Source: Sputnik
- Original: Digital
- Media: JPEG, 3663x2412px, 2.1Mb