china nanjing ming xiaoling mausoleum 39

asia asian attraction blue breathtaking building ceiling changjiang china chinese colorful dynasty east emperor filial heritage hongwu imperial jiangsu landmark ling lou main mausoleum ming mountain nanjing nanking ornamented picturesque province purple qing river roof sacred shengdao sight sightseeing site sky soul spot tomb tower unesco view way world xiao xiaoling yangtze