From left to right:

Tyiwara mask (mythological being who invented agriculture)
Mali, Bamanan, ca. 1900
Wood

Mask of the Kono society depicting an elefant as metaphorical depiction of power
Mali, Bamanan
First half of the 20th century
Wood

Mask of a being from the wilderness with the face of a beautiful woman
Liberia, Mano or Dan
Beginning of the 20th century
Wood, iron

Fiona Tan
Rain. 2001
Video installation

Hans-Christian Schink
Iguaçu 1. 2007
C-Print
178 x 211 cm