City of Lies or Truth Puzzle

The Puzzle:

City of Lies or Truth

You are at an unmarked intersection ... one way is the City of Lies and another way is the City of Truth.

Citizens of the City of Lies always lie.

Citizens of the City of Truth always tell the truth.

A citizen of one of those cities (you don't know which) is at the intersection. What question could you ask to them to find the way to the City of Truth?

Do you have the answer? Check against our solution!