Buzovgrad Megalith — This is a photo of a natural heritage site in Bulgaria, id:

Megalith (abstract root)

Buzovgrad Megalith

Bulgaria

Photo Камен Ханджиев · CC BY-SA 4.0Source file on Wikimedia Commons

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Overview

About this site

Overview

The Buzovgrad Megalith (Врата на богинята Майка, “Gate of the Mother Goddess”; also Бащин камък, “Father’s Stone”, and Бубакая) is an ancient sanctuary of the Late Eneolithic and the beginning of the Bronze Age. It lies on the northern slopes of Sarnena Sredna Gora, near the village of Buzovgrad in Kazanlak municipality, Bulgaria.

It is a rock group with a worked opening about 1.80 m high, so arranged that the Sun appears in the “window” at sunset. It was probably built in the period 1800 – 1600 BCE, and on 28 May 2013 it was declared a natural landmark.

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Buzovgrad Megalith

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It consists of two horizontally placed stone blocks resting on two others that are part of the main rock massif, and so forms a trilithon.

Мегалит над село Бузовград

Description

The megalith is a rock group in which an opening about 1.80 m high has been cut out. It consists of two horizontally placed stone blocks resting on two others that are part of the main rock massif, and so forms a trilithon. Many other rock structures lie on the hill, including a so-called throne to the east. The throne stands about 5.80 m east of the opening, and the rock on which it is carved lies on the line between the Balkan Range peak Triglav and the opening of the trilithon. A steep drop lies at the opposite end of the window.

The Roman fortress Buzovo kale stands to the east, nearby.

Astronomical alignment

The structure is built so that the Sun falls into the window at sunset. At the summer solstice (21 June) the rays pass exactly through the opening formed by the stone blocks and fall on the rock opposite. It is therefore thought that the monument was probably used to measure the length of the astronomical year and the seasons, and to keep the calendar of the Thracians.