Simplify the following text for a Grade 5 native English-speaking person.
Original: The wine is then stored and aged , often in barrels stored in a cave ( pronounced `` ka-ve '' and meaning `` cellar '' in Portuguese ) as is the case in Vila Nova de Gaia , before being bottled .
Simplified: The wine is then stored and aged . For aging , it is often put in barrels stored in caves ( Portuguese meaning `` cellars '' ) as is the case in Vila Nova de Gaia .