What type of training or interaction can help people understand the value of cultural diversity?

1.As your text states,  ” Ethnocentrism is a belief that one’s own culture is superior to all others and holds all truths.”  Today’s world is multicultural.   What type of training or interaction  can help people understand the value of cultural diversity?  How can we help people respect other cultures- allowing for better teamwork and problem solving in any situation?