Because the man had no belly button.
If something is preserved in ice or snow it is frozen. When ice is frozen, it is a liquid that has turned into a solid.
He was preserved by being frozen shortly after he died. This is why he is called the 'Iceman'.
frozen
frozen
He was frozen in a block of ice.
they will stay preserved, like if they are frozen
Canned, salted, frozen, pickled, dried.
In solidified tar, or frozen in ice.
Only a day or so, unless it is frozen.
Organisms can be preserved in ice or snow when they are frozen quickly, which minimizes decay processes. Extreme cold temperatures can slow down biological activity and decomposition, essentially putting organisms into a state of suspended animation. This can result in remarkable preservation, allowing scientists to study ancient life forms.
The entire organisms are preserved.
Eggs can be pickled, raw eggs can be frozen if they are blended first, or the yolks and whites can be frozen separately.