Originally Posted by FrankD
That looks sweet! And a great idea. I never was that "die-hard" to get pics but I think you may have just motivated me.
I must admit it's not entirely to get the pics. It's something very special to observe closely, without them noticing you. (No, I'm not a stalker in real life. not with people at least)
Lot's of info out there how to build one (not this particular one though) search for "hidrohide" to get most results.