Yam Festival

The Ewe people of Ghana celebrate the end of the rainy season and the appearance of yam, the most important foodstuff. The duration and exact days of the celebration vary according to place, but, regardless of manifestation, the festival is held in hopes of preventing hunger in the coming year. Huge feasts and activities such as dances and parades are held. Similar festivals are held in Papua New Guinea and Nigeria.

Which festival ____________?