Poland
People are flocking to the area with metal detectors.
It may contain dangerous materials.
Dried up river beds are revealing parts of the past.
WHAT'S HAPPENING
Two people say they've discovered the train, and want their reward.
A Lufthansa plane approaching Warsaw's international airport nearly collided with what appeared to be a drone, the first ever such incident for the German airline, officials said Tuesday.
The big question for the Western world is: Will Vladimir Putin stop at Crimea?