If those are pictures in public places good luck. In a comment you said that those pictures are related to an erasmus experience (semester abroad), which probably means you signed some papers to do it (or your parents on your behalf) so you might have given your consent.
If those are pictures in public places good luck. In a comment you said that those pictures are related to an erasmus experience (semester abroad), which probably means you signed some papers to do it (or your parents on your behalf) so you might have given your consent.