Best photos of April 30: Crypto Summit in Dubai to measuring air quality in Paris

A visitor at the Token2049 crypto summit at Madinat Jumeirah, Dubai. Antonie Robertson/The National
Kurdish dancers perform in traditional costumes at the third Shal Shabek festival in Zakho. AFP
A waterfall at Kalba Hanging Gardens in Sharjah. Chris Whiteoak / The National
Nuns walk along St Peter's Square during the fourth of nine days of mourning for late Pope Francis, at the Vatican. AP
A farmer walks between rice fields in the town of Otama in the centre of Fukushima prefecture. AFP
Palestinian children gather to receive food cooked by a charity kitchen, in Khan Younis, in the southern Gaza Strip. Reuters
Vietnamese female police officers are saluted by military leaders during a parade celebrating the 50th anniversary of the end of the Vietnam War, in Ho Chi Minh City, Vietnam. AP
The Ballon Generali de Paris hot air research balloon performs air quality checks over the Park Andre-Citroen in Paris. Reuters