Are there monitors or phones in the photograph?
Yes, there is a phone.
    src        edge_attr  dst
0     0   to the left of    4
1     0   to the left of    3
2     0   to the left of    6
3     0   to the left of    2
4     0   to the left of    1
5     0  to the right of    8
6     1   to the left of    3
7     1  to the right of    0
8     2  to the right of    0
9     2  to the right of    6
10    2  to the right of    4
11    3  to the right of    1
12    3  to the right of    0
13    3  to the right of    6
14    4  to the right of    0
15    4   to the left of    2
16    5  to the right of    8
17    6   to the left of    3
18    6  to the right of    8
19    6  to the right of    0
20    6   to the left of    2
21    8   to the left of    6
22    8   to the left of    5
23    8   to the left of    0