Add Yahoo as a preferred source to see more of our stories on Google. We want animals to roam free as much as the next person, but there has to be some limit. You shouldn’t have to share an escalator ...

We want animals to roam free as much as the next person, but there has to be some limit. You shouldn’t have to share an escalator with a wildebeest or hippo, unless you that's what you want. Here are ...