The herbaceous mile-a-minute weed Mikania micrantha Kunth (Asteraceae) is an invasive plant that is known to cause substantial economic and ecological loss in forestry and plantation sectors in its introduced range of Asia-Pacific countries (Sankaran et al., 2008).
Burj Dubai has around 160 flights of stairs.Now called Burj Khalifa. The total number of stairs to Level 160 (the top habitable floor)of Burj Dubai is 2,909; to climb even higher (46 more maintanence levels), ladders are used.
The development includes 30,000 homes, nine hotels, 7.4 acres of parking space, 19 residential towers and the Dubai Mall. Burj Khalifa holds the records for the tallest structure ever built, the building with most floors, the highest elevator installation and the worldâs fastest elevator (18 m/s).