Crude congestion: Huge traffic jams of tankers have formed around the world, by Reuters.

Huge traffic jams of tankers have formed around the world with some 200 million barrels of oil either waiting to be loaded or delivered as ports struggle to cope with record volumes in perhaps the most visible sign of the global oil glut.

Each orange symbol below represents a parked large crude tanker. Ships in transit are not shown.

See the link for some stunning graphics.