Visitors see different kind of animal and human feces at the Toilet!? Human Waste &amp; Earth's Future exposition on August 1, 2014 in Tokyo, Japan. The Toilet!? Human Waste &amp; Earth's Future is an exposition to listen the toilet's voice and explore what is the &quot;happy toilet&quot; for each human being on the earth at National Museum of Emerging Science and Innovation in Tokyo from July 2 to October 5. The toilet is related not only to our daily life but also to the global environment. The exposition consist of eight areas where you can learn toilet problems for each generation and in the world. (Photo by Rodrigo Reyes Marin/AFLO)