During his second trip to Italy, he painted landscapes in the Villa Medici, some of the first known plen-aire work in Europe.  His oil on canvas The Triumph of Bacchus appeared after he had received Rubens as a visitor.  His battle series is most typified by Surrender and Breda and among his remarkable portraits is that of 
During his second trip to Italy, he painted landscapes in the Villa Medici, some of the first known plen-aire work in Europe.  His oil on canvas The Triumph of Bacchus appeared after he had received Rubens as a visitor.  His battle series is most typified by Surrender and Breda and among his remarkable portraits is that of his valet Juan de Pareja.  Even better known is his portrait of Innocent X, but it was work done as court painter to Philip IV that gained him lasting fame.  FTP, name this Spanish painter of Las Meninas, or The Maids of Honor.
During his second trip to Italy, he painted landscapes in the Villa Medici, some of the first known plen-aire work in Europe.  
Diego Velazquez