Best photos of May 20: Rihanna at Cannes Film Festival to Kashmir's Line of Control

The National picks the most striking images from around the world

• 

  Singer Rihanna and A$AP Rocky, centre, leave the Highest 2 Lowest red carpet event at the 78th annual Cannes Film Festival at Palais des Festivals in Cannes on the French Riviera. Getty Images

• 

  Pollution in the Al Ashar River runs through a residential neighbourhood in Basra, Iraq. Many of its waterways have turned into stagnant channels because of reduced water flow from the Shatt Al Arab. Reuters

• 

  Fine art students re-enact Khmer Rouge crimes to mark the annual Day of Remembrance at the Choeung Ek genocide memorial in Phnom Penh, Cambodia. AFP

• 

  Ragpickers rescue handy items from a rubbish dump on the outskirts of Mazar-i-Sharif in Balkh Province, Afghanistan. AFP

• 

  Vehicles on the motorway between Khlong Toei slum and high-rise buildings in Bangkok, Thailand. AFP

• 

  Palestinian mourners carry the bodies of friends, neighbours and relatives killed in Israeli attacks at Al Ahli Arab Baptist Hospital in Gaza city. Reuters

• 

  Mohammed Abu Hilal, 2, clings to his mother, Yasmine, inside their tent at the Muwasi camp for displaced Palestinians in Khan Younis, southern Gaza Strip. AP

• 

  An Indian Army soldier on guard near the Line of Control in Indian-controlled Kashmir. AFP