People dance for various reasons according to culture and situation. In Africa, some tribes use dance ritually to communicate with ancestors' spirits. Important dances also mark milestones like coming of age and funerals. The first dances may have been performed by prehistoric hunters wearing animal skins and horns around bonfires for good luck in hunting. Some warriors danced before battles to gain strength. In India, Kathakali dance-dramas feature elaborate costumes and makeup to enact ancient tales of gods and demons. Overall, dancing fulfills purposes from expression and celebration to courtship and ritual.