Floating UFO in McCovey Cove

Many important questions about the San Francisco Giants franchise remain unanswered. How does Sergio Romo's slider generate so much movement? What creatures were living in Brian Wilson's beard all those years? How does Pablo Sandoval come up with his famous handshakes?

However, one of the biggest Giants mysteries was finally explained: the reason for the UFO floating in McCovey Cove. Turns out, there is a ‘bubbleboat’ shaped like a UFO that roams the waters, hoping to amaze, perplex and mystify spectators. Upon watching the above video, you can understand why it did exactly that for me!