retrieving photos from broken iphone

Unfortunately, what you ask is impossible. Hopefully, you have a backup of the iPhone on iCloud or a computer.

Make an appointment at the Apple Store or take the phone to an authorized Apple Service shop to let them check out the phone and go over your options with you. Expect that the phone is going to be a total loss.

You can find authorized service shops using this link:

Find Locations

You don't. The best you can hope for is that you backed them up or synced them from the cloud.

Anything that was on the phone is gone.