USA Science Festival, Washington, DC ~ April 2012
Bill Nye
Low Res files may be downloaded for personal & Educational publication with credit: colellaphoto.com. Hi Res & prints - please contact us.
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
