- Event date: 14.06.2023
- Number: 8455842
SPIEF-2023. Cities and Regions of the Future: Economy, Infrastructure, Technology, Management.
- Event: SPIEF-2023. Cities and Regions of the Future: Economy, Infrastructure, Technology, Management
- Author: Pavel Bednyakov
- Source: host photo agency: RIA Novosti
- Location: St. Petersburg, Russia