Now Playing: Hot tips for staying warm this winter
Now Playing: Winter Health Tips
Now Playing: Truffle the dog enjoys playing in snow for 1st time
Now Playing: Haley on North Korea: ‘We want to always remind them, we can destroy you, too’
Now Playing: Getting ready for college football national championship
Now Playing: NFL playoffs get underway this afternoon
Now Playing: Arson investigators look into fire that destroyed home of Roy Moore accuser
Now Playing: Lucky winner in one of the largest jackpots in lottery history
Now Playing: Pulse nightclub gunman Omar Mateen’s wife allegedly admitted seeing him prepare for the attack for months, newly released records show
Now Playing: Millions digging out from snow, assessing damage from floods
Now Playing: Recognizing those who braved the ice and snow to help people in need
Now Playing: Winter storm has left 1000s stranded on both coasts
Now Playing: Murder suspect flips SUV during high-speed police chase
Now Playing: Human trafficking: Modern-day slavery in the US
Now Playing: Class action lawsuit filed in wake of Thomas Fire in California
Now Playing: 4 people found shot dead in Los Angeles County home
Now Playing: US Coast Guard ice breaker ship clears a path in the Hudson River
Now Playing: Police lieutenant struck, killed while helping motorist on way to work
Now Playing: ‘Bomb cyclone’ winter storm by the numbers
Now Playing: Stranded bus gets a push in the snow
