There is only one Eiffel Tower. It's located in Paris, France. However, there are many replicas, if that's what you're referring to. There is around 35 of these replicas. Some of the most famous replicas are located in Las Vegas (Nevada, USA), Toyko (Japan), and Berlin (Germany).
Answer: It can hold great quantities of water and is very important to the planet’s water cycle. Rainforests remove vast amounts of CO2 from the atmosphere and replace it with oxygen.