PALPA, Peru, May 28 (Reuters) - Archaeologists using drones have discovered more than 25 geoglyphs etched into a swath of coastal desert in southern Peru near the Nazca Lines, a culture ministry official said Monday. Most of the newly found geoglyphs, which include figures of a killer whale and a woman dancing, appear to have been made by the Paracas culture more than 2,000 years ago, hundreds of years before the Nazca people created similar giant drawings nearby, said Johny Isla, an archaeologist who heads the culture ministry's conservation efforts in the region. An additional 25 geoglyphs that had previously...