Subjects once credited to Clifton Chu
The old pixy.org credited pictures to the name Clifton Chu. Those pictures are not published any more. These are new, free photos of the same subjects.
Human brain in sagittal section
Green wooden gate in a stone wall
Airport signs for gates, baggage and transport
Restaurant dining room in Quebec City
More free photos
Vitruvian Man by Leonardo da Vinci
Hand-made optical illusion of tilted rows
Yellow mite seen from above, Lorryia formosa
Campylobacter bacteria under an electron microscope
Bacterium seen through a microscope lens
Glowing light bulb beside old keys
Checking forest health data on a laptop
Kilogram mass standard, prototype number 20