Business schools boast that mixing with people from different countries forces their students to broaden their horizons and question their assumptions.

ECONOMIST: Schumpeter

Generating decent investment income is still possible, but investors need to rethink some basic investment principles and broaden their horizons to securities they may have never considered.

FORBES: Cast A Wide Net For Yield

"People need a break to broaden their horizons, " she said.

BBC: Puttnam's 'beat Disney' call

The government launched a consultation last month on the education that young offenders receive while in custody but the Howard League said this was "too narrow" and ministers must "broaden their horizons".

BBC: offenders learning to rewire a plug

The South Africa trip was Compton-Rock's brainchild -- to broaden the horizons of young teens and give them perspective on their own lives.

CNN: Behind the Scenes: Inner city kids travel to South Africa