- DSC00779
Tian'anMen Square - DSC00780
Mao's Mausoleum - DSC00781
Tian'anMen Square - DSC00782
Mao's Mausoleum - IMG_20160327_104802
nice spelling - DSC00783
China Railway Museum - DSC00784
inside China Railway Museum - DSC00785
ticket printer - DSC00786
part of an old clock tower - DSC00787
old computer - DSC00788
temperature recorder - DSC00789
control system - DSC00790
optical splice - DSC00791
control system - DSC00792
control system