High Quality Content by WIKIPEDIA articles! The Prague pneumatic post (Czech: Prazska potrubni posta) is the world's last preserved municipal pneumatic post system. It is an underground system of metal tubes under the wider centre of Prague, totalling about 55 kilometres (34 mi) in length. Known as the Old Lady of Czech telecommunications, 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. The current owner, Telefonica O2 Czech Republic gradually is repairing and conserving the system; due to limited funding the system remained inoperative as of March 2007. The Prague pneumatic post entered public service on March 4, 1889. The first lane had been constructed as early as 1887, but at first it only served internal purposes. It ran from the main post office in Jind?isska st. (next to the Wenceslas Square) to the post bureau at Male nam?sti square (next to the Old Town Square) in the Old Town.

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