This Half Life foto contains
camino de herradura, sendero de caballos, camino real, wrangler de caballo, wrangler, and caballo wrangler.
There might also be
lippizan, lipizzan, lippizaner, lipizanos, lipizzaner, convention, caballo de silla, montar a caballo, montar, caballo de montar, silla de montar caballo, calle, escena de la ciudad, entorno urbano, configuración de la escena de calle, ciudad, and urbano.
Youtuber user bloodrunsclear: "A long time request, based on the video game of the same name. I finally managed a perfect live action Gordon Freeman: Charlie Sheen from The Arrival."