As you reach the checkpoint of the exclusion zone, police take your passports and check special documentation, supplied by the tour companies.

If you reach a checkpoint, you extend your time and build your score, but drive inefficiently and it will be game over.

When they reach the checkpoint and answer the question or complete the challenge correctly, they are given a clue to reach the next checkpoint.

They did not even allow the second bus to reach the checkpoint.

In the first leg, the teams must reach a checkpoint in the fastest time.