Track

DSC_4142, originally uploaded by gugs.

don't walk on the track. Shot in a very special place, a salt mine in Switzerland, more than 2.5 km inside the mountain.

Hong Kong boat

HK3_3758, originally uploaded by gugs.

strange symbols... I didn't find them as clear as the usual icons being used...

Dog

HK3_3685, originally uploaded by gugs.

clean up after your dog... self-explanatory
Seen in Hong-Kong

no fishing and climbing

HK3_3617, originally uploaded by gugs.

seen in Hong Kong along the water

Smoking

DSC_3615, originally uploaded by gugs.

An interesting combo, don't smoke and don't use matches (are lighters allowed ?)

Swimming pool

DSC_3602, originally uploaded by gugs.

Next to a swimming pool, two signs, don't run and don't dive...

No food

D2X_6809, originally uploaded by gugs.

don't bring food in there, the Belgian version: no fries, no ice cream...

Do not kill the animals

D2X_6818, originally uploaded by gugs.

Seen in an animal park in Belgium. This sign is clear (at least if you speak one of the following languages: French, Dutch or English): don't feed the animals, this will kill them.

Airport

DSC_3404, originally uploaded by gugs.

A sign indicating the airport in Cap Skirring, Casamance, Sénégal... the airport is as modern as the sign...

Birds

canada 068, originally uploaded by gugs.

don't let the birds escape... seen in Montreal, Quebec, Canada

Oxymoron

HK3_4457, originally uploaded by gugs.

An oxymoron is a self-contradictory statement... This is a photographic oxymoron - this picture should not exist :D

Cable car

HK3_4577, originally uploaded by gugs.

Another one in the Hong Kong cable car...

High speed cable car

HK3_4660, originally uploaded by gugs.

This one is not too common. Spotted on the cable car in Hong Kong.... I liked the icon they use to show the "speed"

Painful

DSC_2976, originally uploaded by gugs.

a special sign just to warn people to be careful and to take preventive measures to avoid back pain.

a few signs

D2x -4, originally uploaded by gugs.

seen in an open air shopping mall... classical symbols.... with one difference: the cross should be red on a white background, here it looks like the swiss flag.... and the sign for kids games is also new to me...