Southwest Washington, District of Columbia.
Shhhh, quiet please! Listen. Can you hear the echo of the water bouncing off the rock? Stand in front of this boulder, and listen to the echo of the water. This stone surface amplifies sound, just like ancient Mayan ball . . .
(Anthropology • Environment • Native Americans • Sports) Includes complete text, location, directions, 2 photos, GPS coordinates, map.
Shhhh, quiet please! Listen. Can you hear the echo of the water bouncing off the rock? Stand in front of this boulder, and listen to the echo of the water. This stone surface amplifies sound, just like ancient Mayan ball . . .
(Anthropology • Environment • Native Americans • Sports) Includes complete text, location, directions, 2 photos, GPS coordinates, map.