drum tower in beijing

ancient arched architecture architectures asia asian axis background balcony bastion beihai beijing bell block blue bricks building capital castle central china chinese city cityscape culture district door drum electric emperor entry fence firewall foliage fortified fortress gate glass glazed granite grey heritage hutong landmark landscape levels light medieval military red religious roofs round rounded sky slanted stronghold temple terrace tiled tourism tower traditional traditionalchinese travel tree windows wire wood wooden world