Is it hot dogs or legs?

Far, far back in the annals of 2013, there began a Tumblr page specifically dedicated to figuring out whether or not a person's pool-side photo was that of their actual legs, or two hot dogs just pretending. 

Because you just don't know; it's so often a mystery. To keep it alive, we're bringing the astonishing photo series back.

So which is it: Two sun-browned legs, or delicious tubes of mystery meat?