At the park: brown grass, reddish dirt, small birds of prey.
Weird old men walking slowly through the brush—picking berries?
Middle-aged women in yoga clothes walking dogs. Middle-aged women in ratty old sweats walking dogs.
Attractive young dot-com refugees running an industrial dogwalking operation. Three people, forty or so dogs, about half on-leash, half off-.
Stay-at-home-dads, with babies in backpacks, walking dogs.
(Every single dogwalker scooped poop. And every single one had a ball-flinger, increasing range while decreasing saliva exposure.)