JOHNSON CITY, Tenn. -

A group of young and probably the smallest graduates, came back to visit their alma mater Saturday leaving behind their footprint.

Those footprints were on the Wall Of Hope at Niswonger Children's Hospital in the Neonatal Intensive Care Unit.

Saturday morning NICU graduates came back to dip their toes in paint and leave behind their legacy as healthy babies.

This tradition has been happening for the last 11-years and News 5 caught up with the Berry family that spent nearly five months in this hospital. "There really is life after the NICU and it's now a memory. In some ways it's a sweet memory even though there was so much pain," said Betsy Berry about her son Judah.

"It's just overwhelming that we've had this many miracles advance to be able to come back and do this with us," added NICU nurse Sydney Gilbert.

News 5 learned the NICU at Niswonger Children's Hospital cares for an average of 400 babies a year.