Dota2: How to place permanent wards as Earth Spirit

Just showing a few of the locations you can place these socalled permanent wards as Earth Spirit. You can do it at the other cliff ward spots too, but it takes long enough that I don t consider it worth doing. For those who seem to be curious, the song name is A Dirty Trick by Frank Micalizzi. It was just a song I found neat from the free ones Youtube offers. I found the name of the song very appropriate