Does the skyscraper look triangular and gray?
Yes, the skyscraper is triangular and gray.
    src        edge_attr  dst
0     0   to the left of   25
1     0  to the right of    5
2     0   to the left of   11
3     0  to the right of   20
4     0  to the right of   19
..  ...              ...  ...
65   22  to the right of   21
66   23  to the right of    7
67   24  to the right of   12
68   24  to the right of    7
69   25  to the right of    0

[70 rows x 3 columns]