yeah, maybe „he hit a police women with the pole“ (was in the youtube comments) Dont know how illegal it is to have a palestinian flag with you.

No, its not safe, you wont hear incoming dangers. But these Noise Canceling Headphones have a nice feature for cities: with their microphones they can give you an „ambient sound“ feature. It mixes the noise from the outside to your music, so you can hear the surroundings while listening to music.