Speaking task

Assuming your task is to talk about the subject: "Does travel broaden the mind?" the suggested vocabulary is
To see the world
To go globetrotting
To develop cultural awareness/cross cultural understanding
To become more open-minded
To break down barriers
Cultural/national stereotypes
To have fixed opinions
To become more tolerant
To experience first hand
Mass tourism
Effect on the local population/indigenous population
Tourist trap

Expressions to offer examples:

For example
For instance
Take...for example
To give you an example
By way of example
A case in point is
To illustrate this
To show you what I mean