How Do I Do That in Photoshop?

Stop Buildings from Leaning Back?

To get rid of this keystoning effect, click on the Lens Corrections icon (it’s the sixth one from the left) under the histogram, click on the Manual tab, and then click-and-drag the Vertical slider to the left until the building looks straight (it stops looking like it’s leaning). There’s an automated method, too: click on the Profile tab, and turn on the Enable Lens Profile Corrections checkbox (as seen in the inset. Your lens make and model should appear in the pop-up menus below. If it doesn’t, just choose it ...