Clickhole

Đavolja varoš
(the name means “Devil’s Town”)
is a peculiar rock formation,
in south Serbia
on the Radan Mountain
by the village of Đake
in the municipality
Kuršumlija.

A rock formation
is an isolated,
scenic, or spectacular
surface rock outcrop.

Rock or stone
is a natural substance,
a solid aggregate
of one or more
minerals.

In mineralogy
an aggregate is a mass of
mineral crystals,
or rock particles.

Mineralogy is a subject of
geology
specializing in
the scientific
study of chemistry,
crystal structure,
and physical
(including optical)
properties of minerals
and mineralized artifacts.

Geology is an
earth science
concerned with
the solid Earth,
the rocks of which
it is composed,
and the processes
by which
they change
over time.

Earth science
includes all fields of
natural science
related to
the planet Earth.

Natural science is a
branch of science
concerned with the
description,
prediction,
and understanding of
natural phenomena,
based on empirical evidence
from observation
and experimentation.

The branches of science,
are commonly divided
into three major groups:
formal sciences,
natural sciences,
social sciences.

Science is a systematic enterprise
that builds and organizes
knowledge
in the form of testable
explanations
and predictions
about the universe.

Knowledge is
a familiarity,
awareness,
or understanding
of someone or something,
such as facts,
information,
descriptions,
or skills,
which is acquired
through experience
or education
by perceiving,
discovering,
or learning.

A fact
is something
that is
consistent
with objective
reality
or can
be proven
with evidence.

Reality is
the sum
or aggregate
of all
that is real
or existent,
as opposed to
that which is
merely
imaginary.

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