ISIS is losing massive amounts of territory — here's what they've left behind

The big fight for the Iraqi city of Mosul is yet another case of ISIS losing the ground it seized in its blitz across Iraq and Syria in 2014.

Just last week, Iraqi forces reclaimed the eastern half of Mosul, and it's only a matter of time until the entire city is back in Iraqi hands. It's just the latest in a string of setbacks for the terror group, which has lost upwards of 50% of its territory so far.

Whether ISIS fighters happen to die fighting, or flee their positions to fight another day — they often leave a treasure trove of ordnance, propaganda, and intelligence materials that can prove helpful against them.

Here's what was left behind after ISIS took off.

David Choi contributed to a previous version of this article.

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