I'm Sam, the Dam

image: thanks internet

My name is Sam,

And I'm a dam

I always stand tall,

And use all my strength,

To hold back flood waters

But I let some go through

I'm built across a river,

And I create a reservoir

I'm Sam, the Dam!

              - Alan

Image used with thanks from, https://upload.wikimedia.org/wikipedia/commons/b/b2/SrisailamDam01-India.jpg