12,000-year-old carvings of animals discovered in Saudi Arabian desert

A life-size, rock carving of a camel, in a desert in northern Saudi Arabia. Picture: Maria Guagnin/Sahout Rock Art and Archaeology Project via AP

Researchers have discovered life-size, rock carvings of camels, gazelles and other animals in the Saudi Arabian desert.

The carvings date back to about 12,000 years ago and many are more than 6ft tall. Scientists say they were created using a wedge-shaped rock to create sharp lines.