Sara Ayers-Rigsby (center), M.A., RPA, Director of the Florida Public Archaeology Network’s, Southeast/Southwest regions, holds images of an earthenware vessel and a rat, set pieces in a game of archaeology based on the 1559 “Emanuel Point” shipwreck. Horace O’Bryant Middle School students learned how time and environment impact sunken ships and their cargo’s, and how wreck sites are documented and preserved at a Key West Art & Historical Society workshop taught by Ayers-Rigsby at Fort East Martello on Friday.