Complex sentence: San Luis Río Colorado Airport is an airport located at San Luis Río Colorado, Sonora, Mexico, a city near the U.S.-Mexico border, on the opposite side of San Luis, Arizona.
Split into simpler sentences: San Luis Río Colorado Airport is an airport located at San Luis Río Colorado, a city in the state of Sonora in Mexico. The city is near the U.S.-Mexico border, on the opposite side of San Luis, Arizona.