You see a painting of Tibiasula.
Notes
You can buy it from the Store for 250 Tibia Coins (in a package with its other half). It will be delivered to Your Store Inbox in a Decoration Kit.
This is the east or north part of the painting. For the other half, see Painting of Tibiasula (Tibiasula). When both halves are placed side by side, they will look like this: