Aerial view by drone, Alexander Nevsky Russian Orthodox Cathedral, Sofia, Bulgaria, Europe

color image horizontal travel travel destinations aerial view drone shot outdoors day sofia bulgaria europe cloud building architecture cityscape city urban scene alexander nevsky cathedral cathedral religion christianity place of worship neo byzantine dome bell tower tower street tree mountain no people past history scenics architectural buildings cathedrals spirituality church churches places of worship cities urban cityscapes urban scenes daytime mountains outdoor outside towers travel destination tourist destination tourist destinations