EPISODE 4 Guest Reader: Casey Cowell Book: 21 Elephants and Still Standing Book Summary: In order to show the world that the completed Brooklyn Bridge was strong enough, P.T. Barnum and his twenty-one elephants parade across to prove to everyone that the bridge is safe. Host: Ben Whiting Guest Activity Leader: Nathan Brush, Science and TechnologyTeacher (TC West Middle School) STEM Theme: Engineering Activity Sheet: Build a Bridge - https://drive.google.com/file/d/1UEHzbX2eL-5K9-nobjiOknfIyKkTAs_i/view?usp=sharing