mud and gas eruptions in vulcanii noriosi reserve, romania, near berca buzau county

active ancient aseous azerbaijan badlands beautiful berca bubble buzau caspian cone county crack crater desert dome earth eject environment erupting eruptions gas geography geology gobustan ground heritage land landmark landscape mountain mud mudvulcano national natural nature noriosi noroiosi noroisi outdoor park phenomenon pressure reservation reserve romania scenic sediments sky temperature texture tourism tourist travel volcano volcanoes vulcanii vulcanoes