Many Olympic traditions are intertwined with religion and ancient Greek history

Modern Olympians might not compete naked or offer blood tributes to the gods. But there are a number of rituals you'll see at this year's Games that carry ancient religious roots.

Many Olympic traditions are intertwined with religion and ancient Greek history

Many Olympic traditions are intertwined with religion and ancient Greek history

Many Olympic traditions are intertwined with religion and ancient Greek history

Many Olympic traditions are intertwined with religion and ancient Greek history

Many Olympic traditions are intertwined with religion and ancient Greek history