Now Playing: Bali volcano dusts resorts in ash
Now Playing: US Navy calls off search for 3 missing sailors 2 days after crash
Now Playing: Paralympian Oscar Pistorius’ murder sentence more than doubled in new ruling
Now Playing: Dramatic video shows woman nearly hit by a train at Australian station
Now Playing: At least 235 killed in blast, shooting at Egypt mosque
Now Playing: People flee, take cover as police respond to reports of gunfire in London
Now Playing: Chanting for success
Now Playing: How the North Korean defector escaped across the DMZ
Now Playing: Who is Emmerson Mnangagwa?
Now Playing: ‘I have waited for 70 years to see you,’ says Holocaust survivor during emotional reunion with his family
Now Playing: 58 men cram onto motorcycle in India to break world record
Now Playing: Who is Robert Mugabe?
Now Playing: Zimbabweans celebrate Mugabe resignation
Now Playing: Zimbabweans tear down portrait of Mugabe
Now Playing: New crime wave sweeping London
Now Playing: Dramatic video shows North Korean soldier’s defection
Now Playing: Hundreds in Seoul protest ‘warmongering Trump’ over stance on North Korea
Now Playing: President Trump delivers remarks at a joint press conference with the Prime Minister of Japan
Now Playing: President Trump and Japan Prime Minister Shinzo Abe hold joint press conference
Now Playing: Trump wraps up visit to Japan
