A car drives on a damaged road in the aftermath of Hurricane Maria in Humacao, Puerto Rico, Oct. 2, 2017.

Among the debris, life is returning to the streets of San Juan, Puerto Rico, along with the traffic, Oct. 2, 2017.

People line up to get gas as they deal with the aftermath of Hurricane Maria, Sept. 25, 2017 in Levittown, Puerto Rico.

Karlian Mercado, 7, and her father Carlos Flores stand on what remains of their home, Sept. 24, 2017 in Hayales de Coamo, Puerto Rico.

Ana Coreino puts the clothes in a container while she cleans the mud in her house after the area was hit by Hurricane Maria in Toa Baja, Puerto Rico Sept. 24, 2017.

Highway 10, a major north-south connection through Puerto Rico is completely washed out, leaving people cut off, Sept. 23, 2017. In the mountain town of Utuado, Puerto Rico, residents are struggling to recover after hurricane Maria. The main north-south road has completely washed out in one section, leaving people on the on the south side cut off.

A car submerged in flood waters is seen close to the dam of the Guajataca lake after the area was hit by Hurricane Maria in Guajataca, Puerto Rico, Sept. 23, 2017.

U.S. Coast Guard MST-2 Annaliese Ennis surveys the damage to a marina after Hurricane Maria passed through the area, Sept. 23, 2017 in San Juan, Puerto Rico. Puerto Rico experienced widespread damage after Hurricane Maria, a category 4 hurricane, passed through.

A resident wades through flood water days after Hurricane Maria made landfall, Sept. 22, 2017, in Loiza, Puerto Rico.

An aerial view shows the flooded neighbourhood of Juana Matos in the aftermath of Hurricane Maria in Catano, Puerto Rico, Sept. 22, 2017.

A resident clears debris days after Hurricane Maria made landfall, Sept. 22, 2017, in Loiza, Puerto Rico.

Residents wade through flood waters at their home days after Hurricane Maria made landfall, Sept. 22, 2017, in Loiza, Puerto Rico.

People walk across a flooded street in Juana Matos, Puerto Rico, Sept. 21, 2017, following dangerous flooding and an island-wide power outage after Hurricane Maria struck the island.

A dog looks out of a house flooded by Hurricane Maria, in Catano town, Juana Matos, Puerto Rico, on Sept. 21, 2017.

Residents of La Perla, close to Old San Juan, begin to clean up on Sept. 21, 2017, a day after Hurricane Maria made a direct hit on Puerto Rico.

People line up to fill gas cans after Hurricane Maria in San Juan, Puerto Rico, Sept. 21, 2017.

Chickens run loose in the area of La Perla, Puerto Rico, where many homes were destroyed by the hurricane, Sept. 21, 2017

A man surveys damage caused by Hurricane Maria in San Juan, Puerto Rico, on Sept. 21, 2017.

A flooded home and car after are seen in the aftermath of Hurricane Maria in Loiza, Puerto Rico, Sept. 21, 2017.

Cars drive through a flooded road in the aftermath of Hurricane Maria in San Juan, Puerto Rico, Sept. 21, 2017.

A car lays damaged in the wake of Hurricane Maria as it passed through San Juan, Puerto Rico, Sept. 21, 2017.

Damaged sailboats washed ashore are seen in the aftermath of Hurricane Maria in Fajardo, Puerto Rico, Sept. 21, 2017.

A resident surveys the damage to her property after Hurricane Maria made landfall, Sept. 21, 2017, in the Guaynabo suburb of San Juan, Puerto Rico.

Damaged homes in the La Perla neighborhood the day after Hurricane Maria made landfall on Sept. 21, 2017, in San Juan, Puerto Rico.

Damaged homes in the La Perla neighborhood the day after Hurricane Maria made landfall on Sept. 21, 2017 in San Juan, Puerto Rico.

Inhabitants stand in a flooded street after the passing of hurricane Maria in Higuey, Dominican Republic, Sept. 21, 2017.

View of damage caused the day before by Hurricane Maria in Roseau, Dominica, Sept. 20, 2017.

A man looks for valuables in the damaged house of a relative after the area was hit by Hurricane Maria in Guayama, Puerto Rico, Sept. 20, 2017.

San Juan is seen during a blackout after Hurricane Maria made landfall, Sept. 20, 2017, in Puerto Rico. Thousands of people have sought refuge in shelters, and electricity and phone lines have been severely affected.

A Navy MH-60S Seahawk helicopter is illuminated by deck lights while the USS Kearsarge's aft is lit by blue trailing lights as the vessel motors at top speed towards islands impacted by Hurricane Maria, in the Caribbean Sea, Sept. 20, 2017.

A woman with a flashlight illuminates her baby inside a shelter before the arrival of the Hurricane Maria in Punta Cana, Dominican Republic, Sept. 20, 2017.

A ferry beached last week by Hurricane Irma in Road Town, Tortola, the capital of the British Virgin Islands, remained unmoved after Hurricane Maria passed, Sept. 20, 2017.

Damaged homes from Hurricane Maria are shown in this aerial photo over the island of Dominica, September 19, 2017. Photo taken September 19, 2017.

Inhabitants walk in flood water from the Puerto Nuevo river during the passage of Hurricane Maria, in the neighborhood Puerto Nuevo, in San Juan, Puerto Rico, on Sept. 20, 2017.

Roofs of homes lie on a street in the Cantera neighborhood of San Juan, Puerto Rico, on Sept.20, 2017, after the passage of Hurricane Maria.

People stand next to debris at a restaurant in Le Carbet, on the French Caribbean island of Martinique, after it was hit by Hurricane Maria, on Sept. 19, 2017.

Rescue workers carry a woman into the Emergency Operation Centre after the area was hit by Hurricane Maria in Guayama, Puerto Rico September 20, 2017.

Trees are toppled in a parking lot at Roberto Clemente Coliseum in San Juan, Puerto Rico, Sept. 20, 2017, during the passage of the Hurricane Maria.

Guests at the Sheraton Old San Juan Hotel, Puerto Rico, waiting out hurricane Maria on the second floor, September 20, 2017.

A view of the San Juan waterfront as hurricane Maria made landfall in Puerto Rico, Sept. 20, 2017.

Rescue workers help people after the area was hit by Hurricane Maria in Guayama, Puerto Rico September 20, 2017.

Rescue team members Candida Lozada and Stephanie Rivera,left, and Mary Rodriguez, and Zuly Ruiz, right, comfort each other as they wait to assist in the aftermath of Hurricane Maria in Humacao, Puerto Rico, Sept. 20, 2017.

A road is flooded in Saint-Pierre, on the French Caribbean island of Martinique, after it was hit by Hurricane Maria, Sept. 19, 2017.

Hurricane Maria battered the small Caribbean island of Guadeloupe after it made landfall, Sept. 19, 2017. This image of Maria damage update shows cars almost fully submerged as Guadeloupe's most populated community, the Abymes, is shown under water.

Librada is seen at the Roberto Clemente Coliseum refuge in San Juan, Puerto Rico, Sept. 19, 2017, prior the arrival of Hurricane Maria. She left her house voluntarily to take refuge.

A view of palm trees blowing in the wind in San Juan, Puerto Rico, Sept. 19, 2017. Puerto Ricans have been warned to evacuate as category 5 Hurricane Maria bears down on the island.