Are both the clock above the sign and the sculpture made of metal?
Yes, both the clock and the sculpture are made of metal.
    src        edge_attr  dst
0     0  to the right of    9
1     0            above    6
2     0  to the right of   13
3     0  to the right of    3
4     1  to the right of    3
5     1            below    6
6     1  to the right of   13
7     2  to the right of   16
8     2  to the right of   14
9     2  to the right of    8
10    2  to the right of    5
11    3   to the left of    4
12    3   to the left of    1
13    3   to the left of    0
14    3   to the left of    9
15    3   to the left of    6
16    4            below    5
17    4  to the right of    3
18    4  to the right of   13
19    5            above    4
20    5   to the left of    7
21    5   to the left of    2
22    5   to the left of   11
23    5               on    4
24    6  to the right of    3
25    6  to the right of   13
26    6            above    1
27    6            below    0
28    7  to the right of   14
29    7  to the right of    8
30    7  to the right of    5
31    7  to the right of   16
32    8   to the left of    7
33    8               of    5
34    8   to the left of    2
35    9  to the right of    3
36    9   to the left of    0
37    9   to the left of   10
38   10   to the left of   15
39   10               on    4
40   10   to the left of   11
41   10  to the right of    9
42   11  to the right of   10
43   11  to the right of    5
44   13               of    1
45   13   to the left of    1
46   13   to the left of    0
47   13   to the left of    4
48   13   to the left of    6
49   14   to the left of    7
50   14   to the left of    2
51   15               on    4
52   15  to the right of   10
53   16               on    5
54   16   to the left of    2
55   16   to the left of    7