Natural gas is one way of heating houses and stoves. Gas comes from underneath the ground in Texas and the Gulf of Mexico and is sent through underground pipes to homes all over Providence. It powers lights, televisions, computers, refrigerators and more. These are the underground wires that carry phone conversations between your telephone and a friend's. Try looking on the other side of the street.
Manholes are how workers get from the streets to the systems underground.
It's also how I get home. Sewers smell so good because they carry all the waste water from the city to the ocean where the water gets cleaned and purified. An alligator enters the screen and swims back and forth. De La Soul sample plays. When sound is done and kid clicks the mouse, Mr. Gator talks to the user.