It is made with a very high percentage of rice in place of malted barley. It is very cheap to make and designed to be refreshing rather that full flavored. It is supposed to be close to a fairly standard light lager. It certainly looks the part. Over the years many people have wondered what gives Corona its distinctive flavor.
Corona is delibertaly skunked.
The beer is packaged in clear bottles and subjected to strong light. It is a VERY powerful scent. If you live outside of the Americas chances are that you have never smelled a skunk. If you can get your hands on a domesticated ferret, give it a whiff. The smell is very similar.