Workers work at the restoration site in the basement of Polytechnic museum of Moscow, Russia, on March 13, 2019. Polytechnic museum of Moscow was founded in 1872 and is one of the oldest science museums in the world. (Xinhua/Evgeny Sinitsyn)
Polytechnic museum of Moscow under restoration
Source: Xinhua| 2019-03-14 10:49:17|Editor: Liangyu
