. >> mcgel vines and maria lavera and justin ho, brian tang, tina tiani and sarah crolac. >> is there additional speakers you can line up behind the speakers that i have called. >> good morning, my name is mary, and i am a long time employee of saint lukes hospital and i am a nurse. i want to address the services that are not offered at saint lukes any more. basically what we do is for some of the most simplest things. we are in the ambulance, and they travel over to cpmc and they have whatever procedure they are going to have done and they return to us and i have heard from many people that they are actually getting an ambulance bill for this services. i am having trouble understanding what services might be in the new saint lukes given that we have none in the old saint lukes. we have been really dismated with the amount to provide basic procedures. which we have done for years and no longer do. i understand that there is a hill physician's group that has a contract with some of our doctors that if a patient, let's just pick out a child is seen in that doctor's office we cannot have

brian tang, a former cal student, is one of the few people who are masterfully play it. >> it's completelyhanical so the softer that you strike it the softer it is. you can also play it quite loudly by hitting it. >> reporter: when it was first being built, there were only 12 bells designed for the tower. today, the original ones aren't hard to identify because they have the name jane k.saither on them. over the years they have added more. today there are 61 including the 11,000 pound great bear bell which features carvings of young bears. it is open to the public. >> it's pretty heavy. >> reporter: what many don't realize is that inside is a large collection of fossils housed here even before the tower was entirely completed. >> this is part of our fossil heritage. this is a record of prehistoric life in california right in our own backyard. >> reporter: mark goodwin is a scientist at cal. the highlight of this collection is the large number of fossils from labrea tarpit. scientists from uc berkeley were the first to collect them. >> reporter: while the large canine is missing, you can se