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Petra
Angkor Wat Causeway, Siem Reap, Cambodia — The 250-meter stone causeway leading to the main entrance is flanked by serpent balustrades representing nagas, the divine serpents of Hindu mythology. Pilgrims and royalty alike crossed this bridge between the mortal world and the sacred mountain of the gods.
© Kent Davis (Literary Archaeologist), CC BY-SA 4.0, via Wikimedia Commons