Prague pneumatic post (Czech: Pražská potrubní pošta) is the world's last preserved municipal pneumatic post system.[1] It is an underground system of metal tubes under the wider centre of Prague, totaling about 55 km (34 miles) in length.[2] The system started service in 1889 and remained in use by the government, banks and the media until it was rendered inoperative by the August 2002 European floods.[2]
Sold on by former owner Telefónica O2 Czech Republic after some limited attempts to make repairs,[3] the system now belongs to businessman Zdeněk Dražil, who has announced plans to repair and reopen it as a working tourist attraction.[4] As of 2017, however, it remains closed.[5]