Answer:
Ancient and majestic, great big piles of stones, Used to encase both riches and bones. Seen from certain angles, They look like big triangles.
What has to be broken before you can use it?
I look at you, you look at me, I raise my right, you raise your left
What falls down but never breaks?
I'm the son of water but when I return to water I die. Who am I?
People take me on walks and I run and have fun. What am I?