Kuumbi Cave is an archaeological site located on Unguja Island in Zanzibar, Tanzania. It has been important in determining patterns of human occupation since its formation over 20,000 years ago. Unusual lithic and ceramic finds dated within the last 2,000 years make Kuumbi Cave a unique site. Its name in Swahili, Pango la Kuumbi, translates to "Cave of Creation".
Kuumbi Cave

Collectanea Mathematica (Collect. Math.) is a mathematical journal of the Institute of Mathematics of the University of Barcelona (), published by Springer since 2011, with a periodicity of three issues per year. It publishes original research papers in all fields of pure and applied mathematics.