Archaeologists have uncovered over 300 fascinating stone spheres, known as retrospheres, believed to have been created between 600 and 1500 AD. These spherical objects, found in southern Costa Rica’s Diquís Delta, remain shrouded in mystery, with theories suggesting they could symbolize celestial bodies like the sun and moon. Ranging from
Archaeologists have uncovered over 300 fascinating stone spheres, known as retrospheres, believed to have been created between 600 and 1500 AD. These spherical objects, found in southern Costa Rica’s Diquís Delta, remain shrouded in mystery, with theories suggesting they could symbolize celestial bodies like the sun and moon. Ranging from a few centimeters to over 2 meters in diameter and weighing up to 15 tons, the spheres were meticulously crafted from materials like gabbro, limestone, and sandstone. The stones appear
