-
Now Playing: Take that: Pedestrians tackle knifeman fleeing police
-
Now Playing: Who is the president of Cuba?
-
Now Playing: Live update on today's biggest stories
-
Now Playing: Pope meets with father of terminally ill British baby denied further treatment
-
Now Playing: Trailer: 'White Gold'
-
Now Playing: Coast guard rescues owners, dog during Wales' high tide
-
Now Playing: What site of suspected chemical attack in Syria looks like 10 days later
-
Now Playing: Emotional day in court for jailed US pastor
-
Now Playing: 8-year-old's brutal rape and murder spurs protests
-
Now Playing: Koala rescued from Australian wildfires
-
Now Playing: Cuba without a Castro: What comes next?
-
Now Playing: Surfers attacked by sharks in 2 separate incidents in Australia
-
Now Playing: US launches retaliatory airstrikes against Syria
-
Now Playing: Destruction in Syria in the wake of airstrikes
-
Now Playing: US launches strike on Syrian chemical weapons storage facilities
-
Now Playing: South Korea's 'yogurt ladies' ride motorized fridges to bring your dairy fix
-
Now Playing: Adorable polar bear makes her debut at zoo
-
Now Playing: Boy pays tribute to youth hockey victims in heartwarming video
-
Now Playing: Trump orders strike on Syria in response to chemical attack
-
Now Playing: SPECIAL REPORT: Trump orders military strike on Syria