Now Playing: Last act for the Ringling Bros. Barnum and Bailey Circus
Now Playing: Woman attempts to conquer her lifelong fear of heights live on ‘GMA’
Now Playing: Ringling Bros. Circus takes final bow
Now Playing: Bill Browder on Putin and new book
Now Playing: ‘Bullet Man’ survives mishap
Now Playing: Video captures last-known member of Amazon tribe in Brazil
Now Playing: Meghan Markle’s royal homecoming
Now Playing: Rare footage shows last surviving member of Amazonian tribe
Now Playing: Bus passengers injured in knife attack
Now Playing: Students pray for rain in India, a corpse flower blooms in Michigan
Now Playing: One-on-one with boy who was stuck in Thailand cave
Now Playing: Boy rescued from cave finally returns home to his family
Now Playing: Details on accused Russian agent emerge from court hearing
Now Playing: England’s swan population counted in annual ‘swan-upping’
Now Playing: Anak Krakatau volcano erupts in Indonesia, firefighters battle fire in Illinois
Now Playing: ABC News exclusive: Youngest Thai soccer player describes rescue
Now Playing: Long-distance 911 call reaches Lisbon, Maine, not Portugal
Now Playing: 11-year-old Thai soccer player held onto coach’s back during rescue
Now Playing: Russian agent offered sex for access, court filings allege
Now Playing: Boys rescued from cave say they stayed still to conserve energy
Free America Network Articles