This national geographic fondo de pantalla might contain
bosque de ribera, bosque ribereño, junto al lago, a orillas del lago, lakeside, lakeshore, gama, cordillera, cadena de montañas, cadena, cadena montañosa, rango, rango de montañas, cadena de montaña, gama de la montaña, and gama de montañas.
A Pitbull named Goliath has become very protective of his owner after he was diagnosed with a brain tumor. Cesar has been working with Goliath and his family on turning Goliath's overprotective energy into something positive.