Is it an indoors scene?
No, it is outdoors.
    src        edge_attr  dst
0     0   to the left of   12
1     0   to the left of    2
2     1               of    0
3     1   to the left of   12
4     1  to the right of   15
5     1   to the left of    2
6     2   to the left of   17
7     2  to the right of    1
8     2  to the right of    0
9     2  to the right of   16
10    3               of   11
11    4               of   11
12    5   on the side of   18
13    5  to the right of    6
14    5   to the left of   20
15    5   to the left of   19
16    6   to the left of   14
17    6   to the left of   20
18    6               of   18
19    6   to the left of    5
20    6   to the left of   19
21    7   to the left of    9
22    7   on the side of   18
23    8      floating in   13
24    9   on the side of   18
25    9  to the right of    7
26   11   standing under   18
27   12  to the right of    1
28   12   to the left of   17
29   12  to the right of    0
30   12  to the right of   16
31   14  to the right of    6
32   14   to the left of   20
33   15   to the left of    1
34   16   to the left of    2
35   16   to the left of   12
36   17               of   18
37   17  to the right of    2
38   17  to the right of   12
39   18      in front of   12
40   19   on the side of   18
41   19  to the right of    6
42   19   to the left of   20
43   19  to the right of    5
44   20  to the right of    6
45   20  to the right of    5
46   20  to the right of   14
47   20  to the right of   19
48   20   on the side of   18