At first glance, it looks like the wings are straight on most training airplanes. But that's not actually the case. Almost all airplanes have something called washout built into their wings, and it makes them more stable in a stall.
The pilots flying into Paro, Bhutan are faced with a difficult task. They're tasked with flying Airbus A319s into a mountainous airport, banking steeply at 130+ knots around a large hill just before making a landing on Runway 15.