Saturday saw Northern Ireland train in the morning sun at the Estadio Nacional de Costa Rica.
It was the first time the squad set foot inside the stadium where they’ll face Costa Rica at 11am local time (6pm UK time) on Sunday.
Over 150 Northern Ireland fans have made the journey to watch the match, which will be the second and final fixture in the team’s tour of Central America.
You can see a full gallery of pictures from today’s training session at the bottom of this page.
To see behind the scenes footage of tomorrow’s match follow @northernireland on Instagram.