Ancient rock carvings revealed by receding Amazon waters amid drought

Human faces and other figures believed to be up to 2,000 years old exposed as Brazil river level hits record low

Human faces and other figures etched in stone up to 2,000 years ago have been revealed on Amazon riverbanks as a historic drought in the Brazilian region has brought water levels to unprecedented lows.

The petroglyphs, which include animals and other natural forms, have been revealed on the shores of the Rio Negro, at an archeological site known as the Ponto das Lajes, or Place of Slabs.