Visiting cities on holiday

Example questions:

What are the most interesting things to do while visiting cities on holiday?

Why can it be expensive to visit cities on holiday?

Do you think it is better to visit cities alone or in a group with friends?

The growth of cities

Example questions:

Why have cities increased in size in recent years?

What are the challenges created by ever-growing cities?

In what ways do you think cities of the future will be different to cities today?