What are common motifs found in cave paintings such as those at Lascaux and Altamira?

Answer: Animals

Explanation:

Common motifs found in cave paintings are mostly of animals. The paintings of those at Lascaux and Altamira have a distinct feature of different types animal drawings of which some are horses, bulls, deer, cattle.

The paintings look more like they have been sculpted because the actual layout of the rock in the cave was used.