بالصور : ترمب يعلن الطوارئ بلويزيانا استعداداً للإعصار “هارفي”

People view the flooded highways in Houston on August 27, 2017 as the city battles with tropical storm Harvey and resulting floods.
Massive flooding unleashed by deadly monster storm Harvey left Houston — the fourth-largest city in the United States — increasingly isolated Sunday as its airports and highways shut down and residents fled homes waist-deep in water. / AFP PHOTO / Thomas B. Shea

A graveyard is seen as it floods during the aftermath of Hurricane Harvey August 27, 2017 in Pearland, Texas.
Hurricane Harvey left a trail of devastation Saturday after the most powerful storm to hit the US mainland in over a decade slammed into Texas, destroying homes, severing power supplies and forcing tens of thousands of residents to flee. / AFP PHOTO / Brendan Smialowski

HOUSTON, TX – AUGUST 28: Stranded vehicles sit where they got stuck in high water from Hurricane Harvey on Dairy Ashford Drive, August 28, 2017 in Houston, Texas. Harvey made landfall shortly after 11 p.m. Friday, just north of Port Aransas as a Category 4 storm and is being reported as the strongest hurricane to hit the United States since Wilma in 2005. Erich Schlegel/Getty Images/AFP

Residents use a truck to navigate through flood waters from Tropical Storm Harvey in Houston, Texas, U.S. August 27, 2017. REUTERS/Adrees Latif TPX IMAGES OF THE DAY