Richard and his trips

This is a very interesting listening containing a lot of information.

Try to answer these questions:

What does Richard like about Cairo?
Where did he start to learn Spanish?
What's the difference between Argentina and Ecuador?
Where did he pick up some Quechua?
What did he do in Nicaragua?
Chabolas were built out of....
What was he teaching there?
"That's like selling coal to people from Newcastle" What's the meaning of this phrase?

Sobre la marcha....

How do you say....sobre la marcha?

We can use this expression "To play it by ear"
Example: Where are we going to have lunch tomorrow?
               mmmm...I don't know...We'll play it by ear!

Another useful and similar expression is " To cross that bridge when one comes to it "
We normally use this expression when dealing with a situation or problem only when it arises.
Example: What if you don't pass the exam?
               I haven't thought about that. I will cross that bridge when I come to it.