decorative tholobate of tbilisi sioni cathedral or the sioni cathedral of the dormition, the historic orthodox church in tbilisi

architecture beautiful blue botanic building cathedral caucasus christianity church cloud copy cross daytime decorative dome dormition eurasia europe exterior facade faith foliage georgia georgian god gorgeous green historic holiday impressive medieval old ornate orthodox outdoors prayer religion saint sioni sky space stone sunny tbilisi the tholobate tourism travel tree vacation visit white worship