The marvellous Potala Palace @ Lhasa, Tibet is a 13 storied, 117m high (300m total over valley floor), measures 400m (E-W) X 350m (N-S), 3m thick slope walled (5m @base), copper poured foundations to guard against earthquakes contains over 1,000 rooms, 10,000 shrines and 200,000 statues. I simply love Potala Palace !