-
Now Playing: President Trump: U.S., North Korea already talking 'at extremely high levels'
-
Now Playing: Putin sworn in as president for fourth term at Kremlin ceremony
-
Now Playing: Families of Japanese detained in North Korea fight for their release
-
Now Playing: New clues on who's designing Meghan Markle's wedding dress
-
Now Playing: National recall on UTZ tortilla chips
-
Now Playing: North Korean regime accuses the Trump administration of 'ruining the mood'
-
Now Playing: Hundreds of anti-Putin protesters arrested in Russia
-
Now Playing: Putin opponent arrested at protests in Moscow
-
Now Playing: Trump says planned US-North Korea summit has a date and location
-
Now Playing: Trump raises hopes 3 US hostages being held in North Korea may be home soon
-
Now Playing: French president calls Australian prime minister's wife 'delicious'
-
Now Playing: Tracking the Amazon's rare pink dolphins
-
Now Playing: Roller coaster stalls with riders hanging
-
Now Playing: 14 migrants have entered the US to officially petition for asylum: Officials
-
Now Playing: Investigators still looking for cause of fire that toppled high-rise building
-
Now Playing: Israel prime minister says 'Iran lied'
-
Now Playing: Border Patrol begins processing migrants from caravans
-
Now Playing: Vatican Cardinal Pell to stand trial on sex assault charges
-
Now Playing: Massive high-rise fire causes building to collapse in Brazil
-
Now Playing: Border Patrol claims that some migrants have illegally entered the US