Making a fist with the thumb between the index and themiddle fingers is considered obscene.
The “come here” gesture is done with the palm down,making a scooping gesture with the fingers or the entire hand.
You will see people waving good-bye as is done in theUnited States, palm facing out, or with the palm facing in,which looks almost like a person fanning himself or herself.
Do not photograph individuals or religious ceremonieswithout prior approval; some people object to having theirpictures taken. Keep in mind that transportation depots andbridges have military significance, so photographing them maybe prohibited.