How would you tackle this?

Just as the title states… 7 unit townhouse. 3 stories tall. Which in itself is no big deal. The problem comes when you go to the rear of the buildings you only have about 8 feet of ground to stand on. The bushes in the picture are approx. 5 feet lower and in a tidal flat.
When I looked at the property today, standing in the back “yard” I am looking straight up and cannot see the dormer windows. Looking for options! TIA.

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call Guy and get one of his shooter tips

Looks like a good spot to use a 40’ ladder. With a tall enough standoff you should get one side of 3 dormers at a time.