How many steps does the tallest building have?

Which country borders Spain to the east? What was Stonehenge used for 5000 years ago? What is Conclusion of project of tajmahal? Is Lion Bridge a scam? What river flows through Edmonton? What 5 dams were built because of the 1913 flood in Dayton Ohio? What river flows through chicago's south side? Who will have more dissolved oxygen ariver with rapids or a quiet lake? An ancient trading center on the Red Sea? How are the Black Sea Caspian sea and ural mountains connected? How cold can the Amazon get? Would you expect to find many organisms living at the bottom of a deep lake explain? How is Niagara Falls used for transport? Can human swim in the dead sea? What is the most arid desert in US? What is Madame Tussad? What city is built on the river spree? Was the Statue of Liberty brown? Who proposed construction of the Erie Canal? What is the difference between the Sahara Desert and the Ladakh Desert?