Get up to $50 off of Blurb photo books when you upgrade to Plus or Awesome. Upgrade now

It is fun to have fun but you have to know how :o) (Changi from the Krefeld Zoo)!

Today is World Orangutan Day and its a wonderful day.

Orangutans are facing extinction due to the unsustainable production of palm oil - an ingredient found in many packaged supermarket products.

To find out more:

Discover more inspiring photos like this one.

Download the FREE 500px app Open in app