Now Playing: Seoul, South Korea Celebrates the Start of 2018
Now Playing: Aukland, New Zealand Celebrates the Start of 2018
Now Playing: Berlin, Germany Celebrates the Start of 2018
Now Playing: Moscow, Russia Celebrates the Start of 2018
Now Playing: Dubai, UAE Celebrates the Start of 2018
Now Playing: Karachi, Pakistan Celebrates the Start of 2018
Now Playing: Hong Kong, China Celebrates the Start of 2018
Now Playing: Sydney, Australia Celebrates the Start of 2018
Now Playing: Fact vs. Fiction: US Border Wall
Now Playing: Officials say 2 police killed in attack outside Cairo church
Now Playing: Putin calls St. Petersburg supermarket explosion a ‘terrorist attack’
Now Playing: Passenger describes ‘horrible experience’ after bizarre flight to Tokyo
Now Playing: Explosion at supermarket in St. Petersburg, Russia: Reports
Now Playing: 6 of the biggest international stories of 2017
Now Playing: Great white shark circles fishing boat
Now Playing: US man proposes to girlfriend amid royal Christmas Day celebration
Now Playing: 150 skiers rescued from stalled ski lift in the French Alps
Now Playing: Who is Raul Castro?
