Google Earth Tour Mode keyboard shortcuts keys

Shortcut                                                              Command
p	Start, Play, Pause - Plays the tour or restarts tour after pausing. The 3D viewer must be in focus in order for this key to work. (Click in the 3D viewer to set focus if you are unsure.)
F10	Start - Starts the tour from the beginning. This key only works if the Places pane is in focus and if a folder is selected that has touring points selected.
s, spacebar	Stop - Stops tour and motion.
n	Reset view to north-up - Stops tour, and rotates view so that view is north-up.
u	Reset tilt to top-down view - Stops tour, resets angle to view scene in top-down or up mode.
r	Reset tilt and compass view to default - Resets angle to view top-down and rotates to north-up view. Use this feature to orient the earth in the center of the viewer.