What place is pictured, an airport or a train station?
It is an airport.
    src        edge_attr  dst
0     0   to the left of    8
1     0   to the left of    2
2     0  to the right of    1
3     0   to the left of    5
4     0  to the right of    4
5     1   to the left of    0
6     1   to the left of    4
7     1   to the left of    2
8     1   to the left of    8
9     1   to the left of    5
10    2  to the right of    1
11    2  to the right of    0
12    2   to the left of    5
13    2  to the right of    4
14    2   to the left of    8
15    3   to the left of    8
16    4   to the left of    8
17    4   to the left of    5
18    4   to the left of    2
19    4  to the right of    1
20    4   to the left of    0
21    5  to the right of    0
22    5  to the right of    1
23    5  to the right of    2
24    5  to the right of    4
25    5   to the left of    8
26    8  to the right of    2
27    8  to the right of    3
28    8  to the right of    5
29    8  to the right of    4
30    8  to the right of    0
31    8  to the right of    1
32    8               at    7