A wildfire in Peru is threatening the iconic Incan ruins of Machu Picchu after a blaze burned 49 acres in the Andean mountains on Thursday, officials said. Smoke continued to billow from the archaeological reserve near Machu Picchu, where firefighters are struggling to combat the flames due to high-powered winds and rugged terrain. Because of its remoteness, crews had to carry in backpacks of water to protect the ruins. The ...