Best Photos of August 21: Hungary's national day to the Northern Lights in Canada

Hungary's parliament building illuminated as part of celebrations of the country's national day, in Budapest. AP
Kites are flown during a tribute to Palestinian children in Caracas, Venezuela. EPA
African lion Tau celebrates his seventh birthday at Noah's Ark Zoo Farm in Wraxall, UK. PA
A boy cools off under a waterfall on the outskirts of Sowari, in Khyber Pakhtunkhwa province, Pakistan. Reuters
A concert at the Champ-de-Mars in Paris as part of the 46th edition of a day of activities for children who do not go on holiday. AFP
Ships and boats in a parade during the 50th edition of Sail Amsterdam festival. AFP
Villagers take a tractor trailer to an annual fair in Ajmer, India. AFP
The northern lights near Yellowknife in Canada's North-West Territories. AP