Timeline of Humanity
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There are a considerable number of human achievements whose origins cannot be conclusively explained to this day.

The Great Stone of Jerusalem

The Western Stone is a monolithic stone block embedded in the lower level of the Western Wall in Jerusalem. This stone of the Wailing Wall can be visited in the Wailing Wall Tunnel and is one of the largest building blocks in the world.The exposed area of the stone is known: 13.55 meters long and 3.3 meters high. The depth, however, is hidden inside the wall.


The mysterious holy site of Lalibela

The rock-hewn churches of Lalibela in Ethiopia consist of eleven churches, each carved into the rock formation as monoliths around the year 1250. Their construction was attributed to Emperor Lalibela, who wanted to build a "New Jerusalem" in the 12th century after Muslim conquests brought Christian pilgrimages to the Holy Land to a halt. The city of Lalibela experienced its heyday after the fall of the Aksum Empire.


Megalithic Cusco Peru: A City Far Older Than The Inca

About 3 kilometers above Cusco, the former capital of the Inca Empire are the ruins of the Inca fortress Sacsayhuamán. The old town of Cusco has many large and small relics and ruins from the Inca period but Sacsayhuamán certainly one of the most important sites. To this day it is not known how the stones could have been fitted together so precisely.