Red Flag flying on overhanging great wall, UNESCO World Heritage Site, Jiayuguan, Gansu, China, Asia

asia blue sky china color image copy space day distant environment flag flying gansu great wall great wall of china historical landmark history horizon horizontal jiayuguan nobody outdoors photography red red flag remote sunny tourist attraction travel travel destinations unesco world heritage site vastness archaeological site archaeology archeological site archeology asian barrier chinese civilisation civilization color colour daytime defence distance east asia far east historical isolation landmark negative space outside pennant seclusion sky soaring sunshine white space