dormition church in trinity sergius lavra, sergiev posad, russia. unesco world herit

2014 altar ancient arches architecture august basilica bell building cathedral chapel christ church cupola dormition exterior fortification fortress frescoes friary herit heritage historic history holy icon images immaculate jesus landmark lavra light mary men monastery old orthodox outside patriarch poopular posad religion russia sergiev sergius sightseeing site sky spire symbol the tourism touristic tower traditional travel trinity unesco view wall window world worship