That thing in the middle, that’s a warship. After most of the Allied Fleet was destroyed by the Japanese at the Battle of the Java Sea in February 1942, HNLMS Abraham Crijnssen's captain was ordered to escape with his ship to Australia. But, you know, the Japanese were still hunting them. So the crew moored her in a cluster of small islands, and covered her in greens and branches. From a distance, it was supposed to look like the Crijnssen was just another small island. And it worked!