alampiiri
Alampiiri is a Finnish term that translates to "underworld" or "netherworld." It generally refers to the mythological realm of the dead or a supernatural domain located beneath the earth's surface. In Finnish folklore and mythology, alampiiri is often depicted as a dark and shadowy place inhabited by spirits, the deceased, and sometimes mythical creatures.
The concept of an underworld appears in many cultures worldwide, and the Finnish alampiiri shares similarities
In some interpretations, alampiiri could also be associated with the concept of the earth's core or the