what would you do if you get lost

If I’m lost in an unfamiliar city,I’ll do such things below to help myself out.
First of all,I’ll find a public space.Just like community center,school,hospital,police department…,and I can ask someone’s help there.I’ll try to find my position first,then to find the right way.I’ll draw a map to avoid get lost again.
Second,if there isn’t any public space.I’ll try to find a telephone and called 911.
At last,If there is a place that with no telephone,no people,I’ll find the biggest road and walk down to meet someone who passed by for help.
By the way,I think I should bring a cellphone and a map with me,when I go to an unfamiliar city.That will be very helpful when I get lost.

dial 911 or 110

I would ask a policeman for help.