A city tour, but slightly different... That's Going Underground. Discover the raw and pure side of Amsterdam by going on a 90 minute city tour with a guide that'll tell you his/her personal story. Stories that are not only about living in Amsterdam, but also about surviving. (Ex) Homeless and addicted people use there past to inform others and to turn their past into a living. By participating the city tour you'll help them to train their skills and to grow their self-esteem!