Here's some good advice:
https://www.tripadvisor.ie/ShowTopic-g187323-i135-k7931137-Got_ripped_off_by_taxi_driver_at_Berlin_Airport-Berlin.html
Here's some good advice:
https://www.tripadvisor.ie/ShowTopic-g187323-i135-k7931137-Got_ripped_off_by_taxi_driver_at_Berlin_Airport-Berlin.html