Petrov Plže wine cellars - Czech Tourism. - The Vinné sklípky (Wine cellars) are also called Plže. Plž is a term which is used to describe a special design of wine cellar, which is typical for this area. The Plže at Petrov are unique for their originality and visual character. There are 63 objects of various ages, all of them grouped around a sort of central square in a semi circle.