chinese city buildings culture heritage history Hong Kong. signs advertising bright color colored colorful colors colour coloured colourful colours eye-catching for-lease lease leasing opportune opportunity potential promoting promotion promotional red rental renting sign starry stars suggestive yellow advice advising announcement blue communicate communication entrance-fees explore font information informing invitation inviting lettering letters message open signage suggestion text texture textures welcome white wording words administration bumps chaos crazy danger driver fun funny glimpse limit limits mistake one policemen roadsign roadsigns sleeping speed street way