Wall of colorful test tubes in the Heinz History Center, Pittsburgh, USA

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Size: 4000px × 6000px
Photo credit: © Nick Higham / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: america, blue, cap, capped, center, centre, color, colors, colour, colourful, colours, exhibit, glass, green, heinz, history, museum, orange, pennsylvania, pittsburgh, red, science, smithsonian, specimen, states, test, tube, tubes, united, usa, yellow