you see Mount Charleston from where you are? It's that tall mountain northwest
of Las Vegas. In the winter, the top is covered with snow.
In the spring, the snow melts and becomes water. Some
of the water makes small rivers. Some of the water runs down inside the
Far underground, the water moves very slowly toward
Las Vegas. Hundreds and even thousands of years later, this water reaches
Las Vegas. We dig wells to get to the water.