The Prudential Tower is one of Boston’s most recognizable landmarks — a true North Star of the city’s skyline. But have you ever looked up and wondered just how tall those massive “Prudential” letters are? Here’s the answer: each letter stands about one basketball hoop tall, and the full sign stretches three school buses wide. Plus, find out how the tower’s nightly December light colors are chosen to brighten Boston’s skyline. Read more: https://trib.al/P8VDsqL | Boston.com

On this date in 1965 the Prudential Building held its grand opening, becoming the tallest building in Boston and dramatically transforming the Back Bay skyline. Enjoy some seriously old school footage envisioning "The Renaissance of Greater Boston." CBSBoston.com/WBZ70 | WBZ / CBS News Boston

It takes hours of work, several dozen lights and careful planning -- and there's no test run. The first try has to score! http://bit.ly/2W7Tj52 | WCVB Channel 5 Boston