42
47:30
artificial lighting
42
47:30
44
44:41
40
1:10:47
39
1:20:06
47
59:06
43
32:10
42
10:00
38
35:28
40
1:04:35
35
8:42
40
10:53
41
28:45
45
1:08:51
41
53:36
35
1:21:45
40
1:05:38
38
44:53
39
14:37
39
35:01
38
1:21:21
36
43:21
37
1:03:22
41
9:56
41
59:53
42
33:54
39
1:47:37
50
2:16:09
44
10:08
44
1:04:28
39
47:19
37
1:16:22
32
45:05
40
52:46
39
49:47
42
10:07
40
1:00:19
41
1:00:46
42
59:58
40
21:27
38
1:06:39
34
1:10:48
36
58:22
39
50:59
36
10:04
43
32:22
38
56:44
42
9:59
41
54:56
42
44:48
35
29:38