Color Pic surrounded by frame next to chalice cover, cup get broken and pieces of cup are stuck to the pic How to remove? set a chair down on the picture while within the frame -...

set a chair down on the picture while within the frame - the glass shattered, but pieces of the cup are stuck to the front of the picture - the picture has be in the frame for 15 years
Answers:    How give or take a few a blow dryer? If that doesn't work, how about steam from boiling sea? Hold extra high above until you accomplish the correct height...to not drench. This may take some time and restraint. Or;

I've heard of using the micro ....resembling 10 seconds to see what it does? May entail a small bowl of water subsequent to glass to create heated moisture. Repeat....