Nissanka Latha Mandapaya, UNESCO World Heritage Site, Polonnaruwa, Sri Lanka, Asia

travel destinations sri lanka asia polonnaruwa unesco world heritage site unesco nissanka latha mandapaya outdoors day building exterior building architecture cloud sky no people ancient civilization ruin tree nature column support building exteriors architectural exterior architectural exteriors architectural buildings columns pillar pillars daytime nobody no one no person outdoor outside travel destination tourist destination tourist destinations travel trees world heritage site