Severe drought in the Amazon reveals millennia-old carvings

MANAUS — The Negro River, the major tributary that runs through the Brazilian Amazon, has reached historic lows, revealing millennia-old carvings previously hidden under water. The engravings deeply etched into the black rock along the riverbanks represent human faces, animals and other figures, and are thought to be 1,000 to 2,000 years old, archaeologists said. … Read more