The Ancient Observatory Kokino (Tatikev Kamen) is located in the north-east part of Macedonia,near the border with Serbia,near the Kokino village.Wider region registers great number of archaeological sites dated from the time of Neolith up to the Middle Age indicating the history rich with important settlements,sanctuaries,events and people of at least 6000 years.To answer why this ancient site is considered to be observatory,we should remind of the primary characteristics of the Sun and Moon's movements. In the course of one calendar year,Sun and the Full Moon rise in different places on horizon,also determining the so called extreme rise position on the horizon.This mean that the Sun in winter when the day is the shortest or in the day of the winter solstice(22nd of December) rises in it's the southernmost position on the horizon...
Link:
https://www.youtube.com/watch?v=XR0HhkFsy-g
Official website:
http://kokinoobservatory.mk/observatory/
Data from Wikipedia:
https://en.wikipedia.org/wiki/Kokino