Built by Emperor Hadrian in 125 AD, Rome's Pantheon is an architectural marvel with the world's largest unreinforced concrete dome. Dedicated to planetary deities, its oculus illuminates the interior. A testament to Roman ingenuity, the Pantheon's classical design and technological brilliance continue to captivate, making it a timeless symbol of ancient architectural prowess.Pantheon necklace is a great item to start your Hepta FloorPlans collection!