Saad Mohammed's intricately decorated, hand-drawn scroll is 700 metres long (2,296ft) - which means, when it is unrolled, it is almost twice as tall as the 381-metre-high Empire State Building.

During the chariot race, for example, the two princes and their horses are hand-drawn animation while the chariots are 3D props. The sequence combined 3D computer-generated elements such as the ...

The identification of the creatures as spiders is tentative and the date of it uncertain, Ikram told LiveScience in an email. Even so, based on other activity in the area, the rock art may date to ...