Are there carts or shelves in this photo?
No, there are no shelves or carts.
    src        edge_attr  dst
0     0  to the right of   14
1     2  to the right of    6
2     2  to the right of   14
3     3   to the left of   11
4     3  to the right of    6
5     3   to the left of   13
6     4   to the left of    5
7     5  to the right of    4
8     6   to the left of   14
9     6   to the left of    3
10    6   to the left of    2
11    7  to the right of   12
12    8  to the right of   12
13   10   to the left of   11
14   11  to the right of    3
15   11  to the right of   10
16   12   to the left of    8
17   12   to the left of    7
18   13  to the right of    3
19   14   to the left of    2
20   14  to the right of    6
21   14   to the left of    0