Ming dynasty Jiayuguan Fort dating from 1372 in the Hexi Corridor, Gansu Province, China, Asia

1372 architecture asia asian culture blue sky building china color image copy space day fort gansu heritage hexi corridor historical landmark horizontal jiayuguan ming dynasty nobody ornate outdoors photography province sunny tourist attraction travel travel destinations asian chinese color colour culture daytime east asia elaborate far east fortress historical history intricate landmark negative space outside sky structure sunshine white space