Now Playing: Volcano in Iceland Causes Chaos

Now Playing: Iceland Volcano Grounds Air Traffic

Now Playing: Trump surveys California wildfire devastation

Now Playing: Andrew Gillum concedes for a second time in heated Florida governor's race

Now Playing: Woman falls off upper deck of cruise ship to her death

Now Playing: High school in England bans students from wearing designer winter coats

Now Playing: Black Friday shopping deals are heating up

Now Playing: Actor Chris Pratt in talks to star in 'The Saint' reboot

Now Playing: Search continues in suspicious disappearance of man at 49ers game

Now Playing: Parents outraged over school bus incident

Now Playing: Attorney claims woman in GoFundMe alleged scam didn't know about a conspiracy

Now Playing: Justin Bieber and Hailey Baldwin confirm marriage

Now Playing: Dangerous air quality continues to be a health concern for California residents

Now Playing: Chilling 911 call released after terrifying home invasion

Now Playing: CIA reportedly links Crown Prince to journalist's death

Now Playing: Trump insists he, not his attorneys, wrote responses to special counsel

Now Playing: Creative ways to teach children gratitude this Thanksgiving

Now Playing: Man cleared of charges by his mom's Facebook post

Now Playing: Winter storm creates dangerous commute along East Coast

Now Playing: FBI, Aruba authorities investigate woman's cruise ship death