The inside of a guitar.
An eyeball after a cornea transplant.
A firework shell cut in half.
Inside a grenade.
This is how pearls look on the inside.
Have you ever wondered how they install those huge power line towers?
Cross section of a tortoise’s skeleton.
This is how a cyclist’s legs look after the Tour de France.
This is what the bottom of a battleship looks like.
Inside a Redbox machine.
This is what the inside of a bowling ball looks like.
A space shuttle leaves our atmosphere.
This is what the underside of a lily pad looks like.
CT scanner without its cover.
This is how we all looked at our very beginning. It's human embryo on tip of a needle.
Footnotes:-
The inside of a guitar looks just like a luxury apartment
You'll Never Guess What's Inside a Bowling Ball
Credits:- Reddit, Dittidots, elmielmosong.