heritage of srilanka ruwanweli stupa at anuradhapura.

103 290 338 951 ancient anuradhapura architecture basilica buddhists building cathedral chapel church circumference considered dome dutugamunu facade hemispherical heritage king landmark lanka monument monuments mosque one relics ruwanweli ruwanwelisaya sacred sky spire sri srilanka standing steeple structure stupa tallest temple tower world world's anuradhapura world ft dutugamunu