Can you guess where we have been today?

"We went to the pool today and we splashed around a lot" said Hannah.
"We had heaps of fun at the pool" said Katelyn.
"It felt cold and warm a little bit" said Milania.
"I can do a backwards roll and a handstand in the pool" said Bella.
"I can swim on the bottom of the pool" said Grace.
"It felt cold at the start but when you started swimming it felt warm" said Georgia O.