From left to right:

Andreas Gursky
Dubai World I and II. 2007
C-Prints
307 x 223 cm each

Sculpture of the god Quetzalcoatl
Mexico, Aztecs, Middle of the 14th century - 1521
Stone

Hans-Christian Schink
Machu Picchu (Peru). 2004
C-Print
183 x 216 cm