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Hello, this is Six Minute English and I'm Rob.
This is the programme where in just six minutes we discuss an interesting topic and teach some related English vocabulary.
Well, joining me to do this is Sam.
Hello, so what's our interesting topic today, Rob?
Something close to our heart, Sam.
It's travel.
Ah, great.
But more and more of us are travelling to explore the world.
Many of us have more leisure time and the cost of travelling has become relatively cheaper.
But he allows the problem.
The places we're visiting are becoming more crowded,
sometimes spoiling the atmosphere in the beauty,
the things we came to see in the first place.
This is why we're going to be discussing how some cities around the world are putting restrictions on the tourists who visit.
But that's after I challenge you to answer this question, Sam.
Are you ready?
Bring it on, Rob.
According to Mastercard's global destination cities index,