"fortunate to have the life of a photographer" I echo that statement. We should appreciate the opportunities and visions we can enjoy more.
As to the red plants seen in the first picture, I have a good idea what it might be. Seeing it in the location will be decisive, but taking a bet this is Juncus bulbosus will not give high odds.
The lush green sward-like leaves emerging from the marsh are Iris pseudacorus.