How deep are the canals in Leiden?

What matirial is the lupu bridge made of? What is the 840-acre park that features an Egyptian obelisk a skating rink a zoo and the metropolitan museum of art? How many driving miles is it from Billings MT to Glacier National Park West Glacier MT? What is happening to destroy most of the rain forest? How Do People Cross The Bering Strait Today? How do rivers and lakes benefit the us economy? Is there a possibility of a land bridge across the Gulf of Aqaba which may have been used by Moses? Why did Shah Jahan order the building of the Taj Mahal? Are high mountains older or younger than low mountains? How much does it cost to get into the Dublin zoo? Get Busch Gardens Tickets? Do the blue tangs live in the sunlight zone? What is the opposite of moisture-laden winds? What impacts did rivers have on early civilization? What are the geographical features of the pacific coast states? Where is the Disneyland in US? What sort of jobs do people have in the Lake District? Is alter bridge really breaking up? Why are some of the most fertile soil in the world located along the Tigris and Euphrates river? What were the boats called that immigrentds took to Ellis island?