The final glittering crystal triangles that make up the Times Square New Year’s Eve ball were installed Friday — revealing the new facade of the iconic geometric dome that will ring in 2025.

A New Year's Eve ball was first dropped in Times Square in 1907. Built by a young immigrant metalworker named Jacob Starr, the 700-pound (318-kilogram), 5-foot (1.52-meter) diameter ball was made ...

Narrator: The New Year's Eve ball drop started over 100 years ... and 32,256 LED lights. It's the largest crystal ball in the world. It can produce 16 million colors and billions of patterns.