This is an easy Mystery cache, as you are given the answer as you do the Adventure Lab Cache Spectacular Stadium.
The Art on the wall is by Giffy, a young local graffitti artist. His work can be seen in numerous locations in and around Durban. He usually paints indigenous flora and fauna, but he also does commissioned work, as seen here. His art contributes to making this city Fantastic!
Stealth will be required to keep the container from being muggled ☺