This is what some teachers do behind the closed door during a lunch break

0
0
07:57
06:46
19:57
08:23
08:00
10:31
37:17
08:01
05:57
12:16
07:57
23:22
26:00
27:12
29:34
20:17
07:53
25:47
05:57
09:59
05:57
01:43:54
19:44
08:00
44:07
28:45
14:01
07:59
10:22
06:57
05:43
04:00
07:00
28:08
16:12
47:07
04:32
08:01
02:32:21
01:59:27