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.
A truly mixed-use tower, Burj Khalifa comprises 1.85 million square feet of residential space, and 300,000 square feet of office space, in addition to the Armani Hotel Dubai and the Armani Residences. The tower also features lounges, health and wellness facilities, four pools and two observation decks.