BOSTON, MA. 11/ 30/ 2011: LASER WORK at the Isabella Stewart Gardner Museum in Boston is having work done on sculptures, getting cleaned by Holly Salmon, (cq) Associate Objects Conservator in the courtyard. A moveable shed like site was placed over the sculpture to be cleaned and protect stray light from the laser. “A Goddess (Peplophorus) early 1st century was the marble sculpture being worked on.( David L Ryan / Globe Staff Photo ) SECTION : METRO/FEATURE TOPIC : stand alone photo REPORTER