HD wallpaper: CN tower, worm's-eye view photography of CNN Tower in Canada online crop
- Double click dark area to toggle "Crop" and "Drag" mode
- Keep aspect ratio: hold Shift key when resizing the crop box
- Crop a square image: hold Shift key when cropping on the image
- Scroll mousewheel to zoom in & zoom out wallpaper
- Press Esc key to reset current crop box