It was just another day at Marine biologist Andrew Perry's rather unusual job ( he moves icebergs that are drifting toward stationary deep-water oil rigs), when he discovered something unusual:

Perry was out trawling for icebergs with Oceans Limited, a Canadian
company that identifies which of the tremendous floaters are drifting towards stationary deep-water oil rigs, when he found the arch -- think Stargate meets portal to Narnia.

Link - via Fark