The world's largest iceberg is on the move for the first time in more than three decades. At almost 4,000 square kilometers, the Antarctic iceberg called A23a is roughly three times the size of New York City. | Reuters

1.5M views · 10K reactions | World's largest iceberg breaks off of Antarctica | Hashem Al-Ghaili | Facebook

Visible from space, the world’s largest iceberg is headed towards a remote Antarctic island, threatening local animals. A23a, the trillion-ton megaberg, which is 40 meters tall, twice as broad as London, and viewable through satellites, could either collide with the island of South Georgia, or get trapped in ocean currents revolving around it. Past iceberg collisions on the island, which is home to King penguins and about half of the world’s population of Southern elephant seals, have led to mas

322K views · 1.5K reactions | Watch closely— Two men are climbing an...