Now Playing: Urgent search for survivors in Italy bridge collapse continues
Now Playing: Gas stations collapse in NC as Florence rages
Now Playing: Disastrous bridge collapse in Florida
Now Playing: Dozens injured as clubhouse floor collapses at Clemson University
Now Playing: Trump takes shots at Joe Biden during Nevada rally
Now Playing: Investigation into the death of journalist Khashoggi
Now Playing: Huge jackpots up for grabs in the Mega Millions and Powerball lotteries
Now Playing: Suspect in custody for murder of Georgia police officer
Now Playing: Rob Marciano goes racing leading up to Big Formula 1 race
Now Playing: Amy Schumer takes strong stand against the NFL
Now Playing: Expectant mom Meghan Markle scales back on her public appearances
Now Playing: ‘A Star is Born’ soundtrack debuts at No. 1 on the Billboard 200 album list
Now Playing: Team bonding with the co-hosts of GMA Weekend
Now Playing: Meghan Markle and Prince Harry return to the Invictus Games
Now Playing: Amber Alert sent out for missing teen girl
Now Playing: Plane makes emergency landing on a highway in California
Now Playing: Thousands of migrants attempt to escape violence in Central America
Now Playing: Saudi Arabia announces Khashoggi was killed during a ‘fistfight’
Now Playing: People rush out to buy lottery tickets for the now-$1.6 billion jackpot
Now Playing: ‘GMA’ Hot List: Black child accused in ‘Cornerstore Caroline’ video speaks out
Read More