How much did the ponte vecchio cost to build?

What countries does the Mississippi river run through? What are the national parks and monuments in Maryland? Main source of moisture east of the Rocky mountains? Who told lewis and clark to explore the mississippi river? What three regions make up the continental margin that extends from the land into the ocean? How does the gobi desert affect the people? Where does the pasific ocean and the Atlantic ocean connect? What river are Victoria falls on? What is the only river that originates and ends in Bangladesh? Where is Niagara Falls mouth? What is the biomass of yellowfin tuna in the gulf of Mexico? Did Early toothpastes include crushed coral? Why did justinan have the hagia Sophia built? What part of the United States is the Appalachian mountains located? What does all oil tankers passing out of the Persian gulf must pass through? What are facts about sand dunes? Why was the Nile so crucial to the concept of a theocratic state? Who has visited the Eiffel tower? What connects lake eerie to the Hudson? How do slow changes affect the grand canyon?