Lychee (Litchi chinensis) shell under the microscope, 2x microscope objective, pictured area is approximately 6mm wide.
This photo won a honorable mention prize in Nikon Small World 2018 photomicrography competition.
If you like this image, prints and apparel are available via Redbubble: https://www.redbubble.com/people/sdymchenko/works/42919155-lychee-shell-under-the-microscope
You can license the photo for commercial and personal use via Alamy: https://www.alamy.com/light-micrograph-of-a-lychee-litchi-chinensis-fruit-shell-pictured-area-is-approximately-6mm-wide-image178121724.html