The top of the Transamerica Pyramid is covered with aluminum panels. During the Christmas holiday season, on Independence Day, and during the anniversary of 9/11, a brightly twinkling beacon called the "Crown Jewel" is lit at the top of the pyramid.
the top of the transamerica pyramid is covered with aluminum panels during the christmas holiday season on independence day and during the anniversary of 9/11 a brightly twinkling beacon called the "crown jewel" is lit at the top of the pyramid