Saludarse
Existen muchas distintas maneras de saludarse en Bélgica. Si usted conoce bien a la persona, la saludará de manera distinta de si no la conociera.
Make eye contact
Making eye contact in Belgium is a form of politeness.
Keep a distance
Don't stand too close to people. In Belgium, it is common to stand about 1 meter from someone. If you get closer, the other person may find it threatening or invasive.
Also in queues, you should not stand too close to other people.