@CNN: Researchers have discovered a gigantic complex of 200 million termite mounds in northeastern Brazil, which may be up to 4,000 years old and covers an area about the size of Great Britain https://t.co/T7TiG0MXdP https://t.co/esSODooJ4n

@CNN: Researchers have discovered a gigantic complex of 200 million termite mounds in northeastern Brazil, which may be up to 4,000 years old and covers an area about the size of Great Britain https://t.co/T7TiG0MXdP https://t.co/esSODooJ4n