California has the fifth largest economy in the world. Putting aside the beaches and postcard-worthy vacation photos, California makes things for the U.S. and the world. And it doesn’t do it alone.

Enter what has now been coined the CaliBaja Mega Region. On this side of the nation, the border fence made of Vietnam-era steel landing strips disappears. A phone is picked up in Corona, California and a call is made to arrange training on a new product build at a sister manufacturing plant in Tijuana, Baja California.