The black dog is running down the grassy knoll to jump in the water below.
The animal is preparing to jump into the water.
Among its masterpieces of international renown are The Adoration of St. Vincent, a multi-panel work attributed to the 15th-century Portuguese master, Nuno Gonaalves, and The Temptation of St. Anthony, a fantastic hallucination by Hieronymus Bosch, tempered with humor and executed with mad genius.