Russia ๐ท๐บ @Russia
๐#DYK? Back in the XVIII century #SaintPetersburg was a #SmartCity already! ๐ง #OTD in 1720, a decree was issued to install the... #schlagbaums - literally "fallen trees" in German. These barriers used to be lowered at night to prevent rogues from entering the main streets โ๏ธ https://t.co/Ceqp6jRb1s — PolitiTweet.org