1:35 play_arrow QSEC : OGM vision d'artiste Lisa Champion visibility 26 schedule 16 years ago favorite
2:32 play_arrow QSEC : 1ère rencontre lycée Saint-Germain-en-Laye Lisa Champion visibility 19 schedule 16 years ago favorite
5:37 play_arrow QSEC : 1ère rencontre Agoraphilo93. Lisa Champion visibility 7 schedule 16 years ago favorite
1:43 play_arrow Questions de sciences enjeux cityens (QSEC) Lisa Champion visibility 22 schedule 16 years ago favorite