In Tibet, people stick out each other's tongues as a greeting. 

In New Zealand people use hongi to greeting

In The USA,people may do elbow bump as a greeting.

In the Philippines people use mano to greeting.

6 James & 22Ellie

In Zambia,people use "Appluad" to greeting.

Greetings Presentation

In Spain, they do "la bise" to greet people.

Eskimo do Kunik as greeting in Greenland

Mark10

Bob14

In India people put their hands together as a greeting .