That's all they do?

No that's not all they do, but give us a little time.

 

See what they do here

 

www.flickr.com/photos/problemsolver/142746125/in/set-7205...

Here

www.flickr.com/photos/problemsolver/142738667/in/set-7205...

Here

www.flickr.com/photos/problemsolver/142737983/in/set-7205...

And Here

www.flickr.com/photos/problemsolver/142737750/in/set-7205...

 

Done