gaobo:
Caution sign against pollutions caused by vehicles around industrial zone
gaobo:
Exhibition sign for underground cable protection
gaobo:
Speed limit sign in the yard
gaobo:
Exit sign
gaobo:
Traffic signs everywhere
gaobo:
Quadlinguistic sign for transmit passengers
gaobo:
International transfer gate indicator
gaobo:
Dashboard for gate allocation, OZ272 to Seattle listed
gaobo:
No. 47, last but not least gate, check'em in!
gaobo:
A small indicator of the School of Life Sciences and Biotechnology