The internships abroad in BTS are mandatory for the passage to the 2nd year. They allow to make them think about different issues related to agriculture and by extension to the environment. It allows an opening to the professional and intercultural world. The objective of the students' internships is to renew their professional practices, discover other methods of become European citizens and be ambassadors when they return from their internship. For teachers, the observation internship allows them to discover the reality of the territories, to familiarize themselves with the customs of the country and to better understand the pedagogical practices.