The building of tunnel No.3 administration at the Punggye-ri nuclear test site in northern North Korea.
- Categories: Science & Technology, Environmental Issues
- Location: North Korea
- Event date:
- Date published:
- Author: Ilya Pitalev
- Credit: Sputnik
- Source: Sputnik
- Original: Digital
- Media: JPEG, 4003x2729px, 5.2Mb