Overwatch - Petra Climbable Rocks and Peculiar Geometry Tutorial
Only good thing I approve of Petra is how you can jump onto the rocks, unlike Route 66 where they are mostly slippery shapes. This is sort of a tutorial showing how you can jump and scale the different rocks in the map using any vertically-challenged hero.
As added bonus, I show a spot accessible with Pharah, lodged between the two walls where you can float and wait indefinitely, as well as an invisible surface I previously made a video about where any falling hero can land and survive, possibly giving options to shoot the attacker. These two positions make your character hop in place. Unlike regular slippery surfaces, where Pharah's jet fuel won't recharge, these jumps actually do refuel her, meaning they're good resting spots if you're running out of juice.