Nick: Where?
Phong: The M'Zab valley. I found it on the UNESCO website. It says there are (2) settlements were built in the 10th century in the Sahara Desert but they're in a perfect state of (3) preservation. And the people have also preserved their 1000-year-old heritage. As a (4) historical important (5) place.
Nick: It sounds interesting but it would be too hot for me.
Phong: Well, it says here 'The criteria (6) used for the construction of the towns meet the needs of people living in a hot (7) climate.'
Nick: What does that mean?
Phong: That the towns are surrounded by big walls and the streets are narrow, (8) so they are protected from the sun.
Nick: Even so, the heat must be (9).
Phong: Yes, but the local oasis acts as a (10) sanctuary, shielding the people from the sun. I think it sounds fascinating.