The number Ï is a mathematical constant, the ratio of a circle 's circumference to its diameter, commonly approximated as 3.14159. It has been represented by the Greek letter  Ï  since the mid-18th century, though it is also sometimes spelled out as  pi  (/paÉª/). Being an irrational number, Ï cannot be expressed exactly as a fraction (equivalently, its decimal representation never ends and never settles into a permanent repeating pattern).
Paris, France is also known under the nicknames: The City of Lights The City of Love = The City od Love and Lights It is called these names because of the view from the eiffi â¦ el tower which is so romantic and you can see a view of everything that is lite at night while overlooking the eiffiel tower.
Iris. The iris is a plant that grows well in Paris. Known for its showy purple and yellow blooms, the bearded flower, known as the fleur-de-lis, is also the national symbol of France, according to The Flower Expert.Irises grow best in USDA hardiness zones 4 to 10 and require full to partial sunlight.ther Plants. According to The Flower Expert, numerous other species of plants grow in Paris. Gourdon flowers are small, native purple wildflowers found in the city's park and surrounding countryside. Gardeners use Gourdon flowers much like ornamental ivy, growing on and around walls.