WEBVTT Chapter 1 00:00:00.000 --> 00:00:15.000 Introduction Chapter 2 00:00:15.000 --> 00:21:44.000 Présentation thématique Chapter 3 00:21:44.000 --> 00:51:32.000 Visite virtuelle Chapter 4 00:51:32.000 --> 01:12:42.000 Question du public