8
21:30
artificial lighting
8
21:30
6
7:30
6
10:32
7
58:16
8
1:37:12
11
49:06
6
7:31
6
8:50
13
40:11
12
9:58
8
17:35
7
22:00
11
6:19
7
27:39
14
12:19
8
17:30
19
15:09
6
35:40
8
42:04
10
15:40
6
6:28
17
1:27
8
22:31
5
4:50
13
2:42
8
13:32
8
10:08
8
37:28
8
4:39
13
32:47
11
3:04
9
1:17:36
7
1:23:15
7
1:01:07
12
3:46
9
8:11
5
31:22
10
1:05:24
5
30:10
11
41:08
9
45:13
8
23:21
7
1:36:21
5
28:35
8
13:44
9
4:16
8
28:34
11
6:01
9
1:21:50
5
15:45