For silver the more important deposits commercially are such compounds as the minerals tetrahedrite and argentite (silver sulfide, Ag 2 S), which is usually associated with other sulfides such as those of lead and copper, as well as several other sulfides, some of which contain antimony as well.
France is the most visited European nation with 83.7 million international tourist arrivals in 2014. Established in the late 1700s, the Louvre Art Museum in Paris is one of the most frequented tourist sites in all of France. Europe is a fascinating continent, and it attracts millions of tourists annually.
Top 25 Most Visited Tourist Destinations in America. Posted on May 10, 2008 | Comments 63. Here is the list of top 25 most visited tourist destinations in America (according to Forbes) The list includes the thundering falls of Niagara, it also features the harrowing water-chutes of Disneylandâs and Pirates of the Caribbean. Seven of the 25 tourist attractions are amusement parks; Disney Worldâs Magic Kingdom, in Lake Buena Vista, Florida, remains on top in the theme-park world.