Park rangers Greg Morse (left) and Dave Pinkos observed the newly illuminated monument at Bunker Hill April 20 in Charlestown. Dozens of new lights were installed last week to illuminate the obelisk.
Park rangers Greg Morse (left) and Dave Pinkos observed the newly illuminated monument at Bunker Hill April 20 in Charlestown.

Dozens of new lights were installed last week to illuminate the obelisk.
(Boston Globe Photo / Wiqan Ang)