Long-tailed mayfly (Palingenia longicauda) mate on the surface of the Tisza river near Tiszakurt, 135km (84 miles) southeast of Budapest, June 12, 2011. 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. [Photo/Agencies]
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