-
Now Playing: SAP pledges to plant 5 million trees by 2025 on 'GMA'
-
Now Playing: Men arrested at Starbucks speak out
-
Now Playing: Pro surfer saves lives amid torrential Hawaii rain
-
Now Playing: David Copperfield reveals illusion under oath
-
Now Playing: Puerto Rico hit by massive power outage
-
Now Playing: Deadly fires tear across the Southwest
-
Now Playing: Trump says he may leave meeting with Kim Jong Un
-
Now Playing: New inspections ordered on planes after deadly engine failure
-
Now Playing: The VR therapy designed to help sexual assault survivors heal by facing attackers
-
Now Playing: Torrential rains spark flash-flood watches throughout Hawaii
-
Now Playing: Pilot who handled Southwest emergency landing hailed as 'true American hero'
-
Now Playing: Former first lady Barbara Bush, in her own words
-
Now Playing: David Copperfield forced to reveal some of the magic behind tricks
-
Now Playing: Former President George W. Bush speaks on the passing of his mother
-
Now Playing: Oklahoma scorched by dangerous wildfires fueled by droughts, winds
-
Now Playing: Passenger killed in Southwest engine failure remembered as family's 'bedrock'
-
Now Playing: Dashcam captures powerful house explosion in Texas
-
Now Playing: Storm system heading east to bring rain and snow
-
Now Playing: 'Scaredy-cat' man jumps when he spots a cat
-
Now Playing: Ohio deputy rescues woman from flooded car