Long-tailed mayflies fly over the surface of the Tisza river near Tiszainoka, 135km (84 miles) southeast of Budapest, Hungary, June 20, 2012. Millions of these short-lived mayflies engage in a frantic rush to mate and reproduce before they perish in just a few hours during 'Tiszaviragzas' or Tisza blooming season from late spring to early summer every year. (Reuters)

People gather during the summer solstice at Stonehenge, near Salisbury. Rain-sodden crowds welcome a spectacularly rainy summer solstice at Stonehenge in true British fashion. (AP)

Drummers from South Korea perform during a commemoration ceremony in the south Lebanese town of Tayr Dibba, held in honor of all those who fought in the Korean war (1950-1953). (AFP)

Indian employees are evacuated as smoke billows after the Maharashtra state government building caught fire in Mumbai. More than two dozen fire engines battled a major fire that raged for more than three hours in the country's financial and entertainment capital. (AP)

Burma's pro-democracy leader Aung San Suu Kyi (C) smiles as she leaves after addressing both Houses of Parliament, in Westminster Hall, in the Houses of Parliament, central London. (Reuters)

Indonesian military personnel investigate the site where an air force plane crashed, in Jakarta. The Fokker F-27 turboprop plane crashed into homes during a routine training flight in the capital, killing at least six people. (AP)

A boy opens his mouth wide while running through a wall of water at Yards Park in Washington, D.C. Heat index values are expected to exceed 100 degrees Fahrenheit across the northeast, according to the National Weather Service. (AP)

A group of people look at the horizon standing on the rocky crest filled with astronomical markers at the megalithic observatory Kokino in Macedonia, soon after sunrise on the day of the Summer solstice. (AFP)