Every year on the 10th of may azerbaijani people celebrate the flowers holiday.it is a great day.you can see many different types of flowers there.and you can enjoy looking at colorful flowers.khari bulbul is a beautiful flower which grows in azerbaijan,in the mountains of shusha.it doesn't grow anywhere else in the world.the flower looks as if a nightingale is sittting on it.people use this wonderful flower as a healing herb.the tulip carnival is the most important flower show in holland.people celebrate this carnival every year in april. перевести !