Now Playing: Talks scheduled between North and South Korea
Now Playing: Air Force videos show intercept of Russian aircraft over Baltic Sea
Now Playing: 1 dead, 12 tourists injured in Egypt hot air balloon crash
Now Playing: 88 dead dolphins found in waters near Rio de Janeiro
Now Playing: Snowmobilers free moose trapped in Canadian snow
Now Playing: Winter Olympics 2018: Everything you need to know about the Pyeongchang Games
Now Playing: Former Taliban hostage is charged with sexual assault and other criminal offenses since his return
Now Playing: What to know about the Iran protests
Now Playing: North Korea’s ‘nuclear button’ might be symbolic, but war risk is real: UN official
Now Playing: What do the protesters in Iran want?
Now Playing: What do the mass protests in Iran mean?
Now Playing: Passenger uses emergency exit on plane to sit on wing
Now Playing: Yara Shahidi speaks out about protests in Iran
Now Playing: Lots of laughs: Police try to gather rogue geese
Now Playing: Former Taliban hostage Joshua Boyle jailed after arrest on assault charges in Canada
Now Playing: People in Iran protest against its regime
Now Playing: Bus plunges off highway in Peru, killing at least 30
Now Playing: Skater shows off on Toronto’s frozen inner harbor
Now Playing: Boy rescued from rubble after strikes in Syria
Now Playing: More protesters killed as Iran protests spread
Free America Network Articles