All of them are busy in their world.The most important thing is they will never harm to the environment. But human being who are the most intelligent species they will do harm to the environment. I think human being is the only species who destroy their living place in the name of development. 
Repairing his home.
Thinking about how to arrange food for the kids.
Looking at something.
They are just so pure without any harmful intention.If human being starts thinking like this then this entire world will be a beautiful place.Photos collected from internet.
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