Campers. Who has a camper anymore? They're hard on the transmission and, eventually, they smell.

Carlsbad is a coastal city in the North County region of San Diego County, California, United States. The city is 87 miles (140 km) south of downtown Los Angeles and 35 miles (56 km) north of downtown San Diego and is part of the San Diego-Carlsbad, CA Metropolitan Statistical Area. One week each year, two families, two campers. There's no other explanation necessary.