Is it outdoors?
No, it is indoors.
    src        edge_attr  dst
0     0  to the right of    4
1     0     reflected in   12
2     1   to the left of   15
3     1   to the left of    2
4     2  to the right of   13
5     2  to the right of    1
6     3  to the right of   15
7     3          next to   15
8     3             near   15
9     4   to the left of    0
10    4   to the left of    5
11    4     reflected in   12
12    5     reflected in   12
13    5  to the right of    4
14    8            under   15
15    8   to the left of   10
16    8  to the right of   13
17    8  to the right of    9
18    8   to the left of   14
19    9   to the left of   10
20    9   to the left of    8
21   10            under   15
22   10            below   15
23   10   to the left of   14
24   10  to the right of   13
25   10  to the right of    8
26   10  to the right of    9
27   13   to the left of    8
28   13   to the left of    2
29   13   to the left of   15
30   13   to the left of   10
31   14  to the right of   10
32   14  to the right of    8
33   14            under   15
34   14            below   15
35   15            above    8
36   15            above   14
37   15             near    3
38   15            above   10
39   15  to the right of    1
40   15   to the left of    3
41   15  to the right of   13
42   15        on top of    8