If you live in California, you can smell the feedlots for miles near Coalinga/Harris Ranch on I-5 while driving between San Francisco and Los Angeles, and when

If you live in California, you can smell the feedlots for miles near Coalinga/Harris Ranch on I-5 while driving between San Francisco and Los Angeles, and when cattle are visible, it appears much denser than that photograph, but that may be sample bias where the cows just like to get closer to the fence for some reason, need a drone to have a better idea.