This is a map of the world's largest migration that happens within China. Last year, a total of billion trips were taken, billion of them by road. In total, million people traveled by air, 43 million by boat.
For a year, transport planner Michael Markieta traced more than flight paths that cross the globe. He used GIS technology to do this, and the result is visually stunning: illuminated maps of these routes.
The annual Perseid meteor shower will peak in the skies over Earth on the night of Aug. Despite a bright moon, there should still be a good show from this prolific shower. Projected peak rates are meteors/hour.