Getting shanked by an orca is the last thing you’d expect in the Peruvian desert, yet for some unknown reason, the ancient Nazca who once inhabited the area decided to decorate the landscape with an enormous geoglyph depicting a knife-wielding killer whale. Spotted using an artificial intelligence (AI) system, the armed marine mammal is one of 303 newly identified designs on the Nazca Pampa, some of which portray decapitated heads and human sacrifice scenes. Since their discovery in the 1940s, the iconic Nazca Lines have become one of South America’s most iconic tourist attractions while also …