Where do the folks who write for yahoo.com get their information? I think they just make it up. Maybe the writer thought that the article “Be Careful Where You Step: the Freakiest Sinkholes Around the World” would entice more readers if they thought it was about the world’s biggest sinkholes:
It’s not. In fact, the world’s biggest sinkhole isn’t even included in the article. But, as long as this headline attracts clicks, who cares if it’s accurate?