Navigate between controls on the screen

Pan to desired direction

Pan wider

Zoom

Zoom out (Ctrl + double click for Mac users)

Rotate camera 45 degrees in counter-clockwise direction

Rotate camera 45 degrees in clockwise direction

Look up towards the sky

Look down towards the ground

Go forward

Go backward

Zoom in

Zoom out

(the circle) Jump to the point

(the rectangle) Zoom in to that point

(numpad) Toggle 3D mode