Answer:
It can be clear like water, but it burns like fire.
Ancient and majestic, great big piles of stones, Used to encase both riches and bones. Seen from certain angles, They look like big triangles.
if I drink I die if I eat I am fine what am i
In your fire you hear me scream! Creaking and whining yet I am dead before you lay me in your hearth.
What is yours but only used by others?
People take me on walks and I run and have fun. What am I?