While it may appear that the mangrove forests have recovered after recent hurricanes, scientists use advanced cameras to survey the destruction in Puerto Rico and Florida, revealing vulnerabilities in areas’ the natural protective barriers to storm surge. | NBC Nightly News with Tom Llamas

28K views · 191 reactions | WATCH: Many remember hurricanes by their names yet the volunteers who respond to these storms often go unrecognized. NBC’s Joe Fryer introduces you to some. | NBC Nightly News with Tom Llamas | Facebook

15K views · 204 reactions | The hurricanes that slammed into Florida were so strong, that the coastline has been altered. NBC News' Stephanie Gosk visits Manasota Key, where she sees how the physical geography of the landscape has changed. | NBC Nightly News with Tom Llamas | Facebook