![Maintenance works at St. Petersburg Metro](https://img.sputnikimages.com/images/vol2%2Fmedia%2Foriginal%2F0000%2F0305%2F39%2F000003053965_0%3A0%3A0%3A0_1400x1000_80_10_1_TWlraGFpbCBLaXJlZXYgIzMwNTM5NjU%3D_116%3A95_sputnik-3053965-preview_e9f8f2931a7012554249a5cd3896ec7a.jpg)
![Maintenance works at St. Petersburg Metro](https://img.sputnikimages.com/images/vol2%2Fmedia%2Foriginal%2F0000%2F0305%2F39%2F000003053965_0%3A0%3A0%3A0_1400x1000_80_10_1_TWlraGFpbCBLaXJlZXYgIzMwNTM5NjU%3D_116%3A95_sputnik-3053965-preview_e9f8f2931a7012554249a5cd3896ec7a.jpg)
Metro workers clean and polish marble tiles at Gostiny Dvor station.
- Categories: Economy, Business & Finance, Science & Technology
- Location: St. Petersburg, Russia
- Event date: 21.03.2017
- Date published: 21.03.2017
- Author: Mikhail Kireev
- Credit: Sputnik
- Source: Sputnik
- Original: Digital
- Media: JPEG, 5489x3659px, 8.2Mb