Explanation

I.M. Pei designed the glass pyramid in 1989. The modern structure serves as the Louvre’s main entrance. It contrasts with the historic palace building.

Gehry, Hadid, and Piano designed other famous buildings. Pei was a Chinese-American architect. The pyramid was initially controversial but became beloved.

The glass and metal structure lets light into underground spaces. It has become a Paris landmark. The design combines old and new architecture.