Handshaking as a Norm
In some business cultures, it is a norm to shake someone's hand upon meeting. Here, one businessman shakes another's hand. In many situations, it would be normative for the businessman to also shake the nearby businesswoman's hand.
Source
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"Business Meeting | Flickr - Photo Sharing!."
http://www.flickr.com/photos/83532250@N06/7650804342/
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