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.
Burj Khalifa surpassed the height of Taipei 101 by 319 metres (1,047 ft) in 2009, making it 60% taller. It has broken several skyscraper records, and it is almost twice as tall as the Empire State Building. Burj Khalifa has also broken the record of the world's tallest structure.