• 

  Now Playing
  Maria’s rain, wind to brush North Carolina

  01:59
• 

  Now Playing
  Huge dust devil spotted in Arizona

  00:29
• 

  Now Playing
  Mesmerizing lava flows from Kilauea Volcano

  00:21
• 

  Now Playing
  Possible tornado flings debris in Costa Rica

  00:26
• 

  Now Playing
  From Earth to Asteroid Bennu by a slingshot

  01:15
• 

  Now Playing
  Fracking byproducts buried in Colorado landfills illegally

  01:00
• 

  Now Playing
  Puerto Rico faces long recovery with widespread devastation

  00:27
• 

  Now Playing
  Popocatepetl volcano erupts shortly after earthquake

  00:12
• 

  Now Playing
  Long line forms as stores in San Juan reopen amid lingering flooding

  00:18
• 

  Now Playing
  Anxiety grows among families in Mexico as search for survivors continues

  01:00
• 

  Now Playing
  Puerto Rico faces long-term power outages, fears of a dam collapse

  01:00
• 

  Now Playing
  Mexico City residents go out into the streets after morning earthquakes

  00:20
• 

  Now Playing
  Family business completely destroyed by Hurricane Maria

  00:30
• 

  Now Playing
  Stunning auroras captured from International Space Station

  00:22
• 

  Now Playing
  Hurricane Maria blows past Turks and Caicos, continues north

  00:15