Limestone is used for a wide range of purposes in the United States.
Limestone is a versatile material.
The United States exports much of its limestone.
A leaf blows in the wind.
There is a huge demand for carbon is which traded world wide.
A man is sitting in the lodge drinking hot chocolate.
A bunch of people enjoy a hot summer day at the beach
Three women are enjoying a plane ride through the air.
A young girl plays outside.