Following the latest update for Pokémon GO, a brand-new loading screen from Niantic is now available for your viewing pleasure. It depicts an action-packed Raid Battle against a large Tyranitar taking the role of Raid Boss, as Pikachu, Sneasel, Cyndaquil and Squirtle try to take it down. You can check out the new artwork in the image above. To download a high-resolution version of the newest loading screen, click here.
Source: Official Pokémon GO blog