Underground

The Paris Metro is famous for its art nouveau entrances and is the second busiest underground system in Europe.

The basement of the house is underground and is used for storage.

The underground laboratory conducts experiments on rare isotopes.

The underground cables provide electricity to the neighborhood.

The underground can be a dangerous place to explore without proper equipment and knowledge.

She prefers the underground rock scene to mainstream pop music.

The underground DJ mixes genres to create a unique sound.

The underground is filled with the remains of the deceased.

The police are trying to crack down on the underground.

The police are constantly trying to infiltrate the underground.

The underground comic book scene was thriving in the city.

The underground film festival showcased experimental movies.

His underground fashion label was known for its nonconformist designs.

The photographer's underground exhibit featured gritty, raw images.

The party was held in an underground club with a unique, alternative atmosphere.

The writer's underground novel pushed the boundaries of conventional literature.

The underground mafia controlled the city's criminal activities.

The miners descended into the underground mine to extract coal.

The underground contains a complex system of tunnels and passageways.

The underground can provide shelter and protection from extreme weather conditions.

The bunker was constructed underground to provide shelter during a nuclear attack.

The subway train runs underground in the city.

The roots of the tree spread underground to absorb water.

The mushroom grew underground, and we need to dig to harvest them.

The underground parking lot provides a secure place to park your car.

The treasure was hidden underground for centuries.

The electricity cables run underground to avoid interference from other electronic devices.

He's a dedicated fan of underground house music.

The underground railroad helped slaves escape to freedom.

The underground is a complex web of criminal activity.

The underground is often shrouded in secrecy and mystery.

The underground is involved in everything from extortion to human trafficking.

The archaeologists discovered an underground filled with ancient artifacts.

The underground is believed to be haunted by spirits.

The catacombs in Paris are a vast underground network of tunnels used as a burial site.