Contact Tracing Explained

(x)
MOV (Source) 1920 x 1080 87.13 MB
MP4 (360p) 640 x 360 3.91 MB
MP4 (480p) 854 x 480 7.53 MB
MP4 (720p) 1280 x 720 13.43 MB
MP4 (1080p) 1920 x 1080 17.94 MB