Is the arrow on the light post that is made of metal?
Yes, the arrow is on the street light.
    src        edge_attr  dst
0     0   to the left of    7
1     0   to the left of    6
2     0   to the left of   10
3     2   to the left of    4
4     2   to the left of   10
5     2   to the left of    9
6     3  to the right of    6
7     4               on    9
8     4  to the right of    2
9     4   to the left of    7
10    4   to the left of   10
11    6  to the right of    0
12    6   to the left of    3
13    6   to the left of    7
14    7  to the right of    9
15    7             near    9
16    7  to the right of    4
17    7  to the right of    0
18    7   to the left of    8
19    7  to the right of    6
20    7          next to    9
21    8   on the side of    7
22    8  to the right of    7
23    8  to the right of   10
24    9               on    0
25    9  to the right of    2
26    9             near    7
27    9   to the left of   10
28    9   to the left of    7
29   10  to the right of    4
30   10  to the right of    0
31   10  to the right of    2
32   10  to the right of    9
33   10   to the left of    8