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Head 2 Head: Ancient religious sites

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Teotihuacán – Built around 110 BCE to 250 CE in central Mexico, this city contains the Pyramid of the Sun, which is the third-largest pyramid in the world.

The Acropolis – Constructed circa 500 BCE, the Acropolis in Greece’s capital, Athens, includes several temples – the most famous of which is the Parthenon.

Stonehenge – Believed to have been built circa 2500 BCE, this enigmatic religious monument consisting of rings of standing stones is found in Wiltshire, UK.