Traveller's cheques and credit cards (American Express, Visa, Mastercard) are exchanged for Vietnamese dong at the banks. Cards can be used in travel agencies, hotels, and major restaurants. US currency is exchanged for Vietnamese dong and treasury notes in banks, exchange bureaus, hotels, and jewellery shops.
Nikola Tesla designed the first hydroelectric power plant at Niagara Falls, New York which started producing electrical power in 1895. This was the beginning of the electrification of the United States and the rest of the world. Today, Teslaâs AC electricity is lighting and powering the globe.
Making the world better, one answer at a time. The purpose of Niagara Falls is its experience and anyone who See's it, Its purpose is so people can enjoy the site.iagara Falls on the Canadian side of the border is also known as the Horseshoe Falls and has an average height of 57 meters or 188 feet. The American Falls have an average h â¦ eight of between 21 and 34 meters or 70 to 110 feet. 5 people found this useful.