sergiev posad town, holy trinity-st. sergius lavra. dome of the cathedral of the assumption of the blessed virgin.

ancient architecture assumption blue building cathedral christian christianity church city cityscape cross culture cupola design dome european famous gilded gold golden heritage historic historical holy landmark lavra monastery moscow old onion orthodox orthodoxy outdoor posad religion ring russia russian saint sergiev sergius shape site sky star sunny temple there tourism traditional travel trinitysergius unesco world zagrosk