This Game of Thrones foto might contain
berretto verde, forze speciali, soldato d'elite, soldato d'elite green beret, forze speciali, navy seal, sigillo, guarnizione del blu marino, and guarnizione.
This video contains major spoilers for Book 5 / Season 5, and some minor spoilers/references from the "Mercy" TWOW chapter. Basically, if you've read Book 5 o seen Season 5, te can watch this video without having anything significant spoiled.