PITTSBURGH (KDKA) -- Hundreds of "future swimmers" turned out at four Allegheny County pools Tuesday morning, on the opening day for free swimming lessons. The wave pool at Boyce Park is one of them.

Ryker Gardner (left), 8, waits as Haylee Turner, 7, jumps in near swim instructor Alexis Fraundorfer during "Learn to Swim" lessons at Prospect Pool on Wednesday morning. Mirror photo by Linden ...

Scarlet Valdez, 4, has been in a kiddie pool, but not a big one that gets deep in one spot like the Harold E. Ganster Pool in Waukegan. To introduce her to swimming, Scarlet’s cousins, Rachel Wolhers ...