| Resania Vetus, Esenina Museum, Ryazan kremlin, Monaster św Jana Teologa, Meschersky park|Pra River (Russia) Wikipedia
Pra River (Russian: Пра) is a river in the Ryazan and Moscow Oblasts in Russia, a left tributary of the Oka River. It is 167 km in length. The area of its basin is 5,520 km². The Pra River freezes up in late November and stays under the ice until April.