Sergiu St. O.: Rural landscape from Provita
Sergiu St. O.: Rural landscape
Sergiu St. O.: Dam and Paltinu lake
Sergiu St. O.: Landscape
Sergiu St. O.: RAUSOR lake Arges
Sergiu St. O.: Bucegi moutins seen from Busteni
Sergiu St. O.: Autum in the Campulung park
Sergiu St. O.: Chess table in the park
Sergiu St. O.: Cheile TATARULUI
Sergiu St. O.: Bolbocl lake
Sergiu St. O.: After storm
Sergiu St. O.: SINAIA Orthodox Monastery.
Sergiu St. O.: CHURCH lake
Sergiu St. O.: Quiet on the lake
Sergiu St. O.: Sunshades at rest
Sergiu St. O.: Green somer
Sergiu St. O.: Green spring
Sergiu St. O.: Cornu mansion
Sergiu St. O.: 106 YEARS OLD MAGNOLIA
Sergiu St. O.: Before sunset
Sergiu St. O.: BREBU fortified monastery
Sergiu St. O.: Doftana valley
Sergiu St. O.: ASKING FOR FOOD
Sergiu St. O.: Sad black cat
Sergiu St. O.: SLANIC Prahova -The largest salt mine in EUROPE (4)
Sergiu St. O.: SLANIC PRAHOVA -The largest salt mine in EUROPE (3)
Sergiu St. O.: SLANIC PRAHOVA - the largest salt mine în EUROPE (2)
Sergiu St. O.: SLANIC PRAHOVA- The largest salt mine in Europe (1)
Sergiu St. O.: Before sunset