What is the name of the inverted glass pyramid in the Louvre's shopping mall?

The inverted glass pyramid in the Louvre’s shopping mall is called La Pyramide Inversée, or the Louvre Inverted Pyramid. It is a skylight in the underground Carrousel du Louvre.

Designed by architect I. M. Pei as part of the Grand Louvre project, the structure was completed in 1993. Unlike the large pyramid in the Cour Napoléon, it points downward and sits beneath the ground-level plaza. Its purpose is practical as well as symbolic: it channels daylight into the underground shopping and pedestrian complex and helps orient visitors beneath the Louvre.

The pyramid is suspended above a small stone pyramid on the floor, with the two points nearly facing each other. The glass structure is held within a steel frame, and its tip hangs about 1.4 metres above the floor. The surrounding Carrousel du Louvre is a shopping mall and visitor passage, not one of the museum’s three traditional wings.

The structure gained extra fame through Dan Brown’s 2003 novel The Da Vinci Code. The novel gives the small stone pyramid a fictional secret-chamber significance, but in reality it is a movable maintenance feature, not the entrance to a hidden tomb.