Three centuries after horse-drawn chariots were introduced to Scandinavia, a Bronze Age artisan crafted the Sun Chariot, a stunningly detailed object that may represent an ancient mythological scene or even a rare calendar.The Sun Chariot was discovered in 1902 by a peat farmer who was working on the Trundholm moor in Denmark, about 42 miles (67 kilometers) northwest of Copenhagen. It was found in numerous pieces and has since been reconstructed by experts at the National Museum of Denmark, where it is on display.Taken as a whole, the bronze object is about 21 inches (54 centimeters) long and 14 inches...