Around Azeroth: Tunnel Vision

Pop quiz, hotshots. This picture is:

1. A view into the secret tunnels hidden below the major cities that allow the Horde to sneak in unseen and kill all the Alliance faction leaders.
2. How Garrosh Hellscream looks at the world.
3. A poorly designed kaleidoscope.
4. The result of Tsiva of <Insurrection> on The Sentinels suffering from an acute graphics card meltdown in Dalaran.