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.
Longer waits. The Burj Khalifa, which is half a mile high, is currently the world's tallest building. Its lift reaches 163 floors, and covers a distance of 504 metres. As shown, there's more to designing a lift than seeing how high it can go.