On a bluish background, several metallic balls are balanced perfectly upon successive levels of levers | by SSilver – Can Stock Photo Member since Feb. 5, 2008. 6,077 images
csp35546074 uploaded on 2016-03-27
On a bluish background, several metallic balls are balanced perfectly upon successive levels of levers | by SSilver – Can Stock Photo Member since Feb. 5, 2008. 6,077 images
csp35546074 uploaded on 2016-03-27