UEFA Champions League 2012 FK Zenit St. Petersburg v SL Benfica on Wednesday, 15 February 2012. Due to extremely cold temperatures, and deep snow there are many doubts about football field conditions of St. Petersburg`s Pertovsky stadium, but it`s probably far from good. Pictured: February 13,2012, St.Petersburg,Russia. Petrovsky stadium. Workers at Petrovsky stadium are doing their best to prepare the field and grass for the coming match. Laying protection cover.