Nice scope of vision and perspective. The colors aren't right for me, though. The partial de-sat has left the grass looking like a dirty gray with a sickly green cast. I would have preferred either the color left or a full de-sat of all color and contrast bumped up. BUT- just a personal opinion. The angle is a little satis - it may give it more impact if the image was cropped at the upper horizon line.
I also went to a national cemetery, took many pictures... but none as excellent as this one. I think knowing what it takes to create a great pic like yours tend to force a higher score as token of appreaciation. 8
I am making two passes on this Challenge. I will vote on your photo then return later(before voting is over) to comment on what I like and dislike about your shot. You can take the comments however you wish and I will try not to be mean. Just don't take it the wrong way.
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That is a big cemetery. I like the POV. The flowers add a nice touch.