-
Now Playing: Aid groups say more Syrian refugee children are getting chance to learn
-
Now Playing: Chemical weapons inspectors headed to site of suspected chemical attack
-
Now Playing: US defense secretary convinced Syrian images show chemical attack
-
Now Playing: White House: No decision has been made yet on military action in Syria
-
Now Playing: The latest on the Syria decision, Mueller investigation and Cosby retrial
-
Now Playing: Syria braces for possible US attack
-
Now Playing: Trump says missiles 'will be coming' to Syria
-
Now Playing: Fancy pieces from Paris' Ritz Hotel to be auctioned
-
Now Playing: Algerian military plane crash kills at least 257 people
-
Now Playing: US slams Russia for UN veto on Syria chemical weapons attacks
-
Now Playing: 7-year-old Texas girl just climbed Mt. Kilimanjaro as tribute to her late father
-
Now Playing: Syria attack will be met 'forcefully,' Trump says
-
Now Playing: Syrian forces on alert as Trump mulls US response
-
Now Playing: Trump responds to suspected chemical attack: 'Everybody's going to pay a price'
-
Now Playing: 15 years ago, Iraqis rejoiced by toppling Saddam statue
-
Now Playing: Trump condemns suspected chemical attack in Syria
-
Now Playing: What's next in Syria?
-
Now Playing: How will the US respond to the alleged Syrian chemical attack?
-
Now Playing: The latest on Syria, Facebook and troops at the US-Mexico border
-
Now Playing: Investigators look for causes in 2 bus crashes