marți, 7 noiembrie 2017
Today, most trams use electrical power
Today, most trams use electrical power, usually fed by an overhead pantograph; in some cases by a sliding shoe on a third rail, trolley pole or bow collector. If necessary, they may have dual power systems—electricity in city streets, and diesel in more rural environments. Trams are now commonly included in the wider term "light rail",which also includes segregated systems.
The stock photo industry, which began to gain hold in the 1920
The stock photo industry, which began to gain hold in the 1920s, has established models including traditional macrostock photography, midstock photography, and microstock photography. Conventional stock agencies charge from several hundred to several thousand American dollars per image, while microstock photography may sell for around USD 25 cents. Professional stock photographers traditionally place their images with one or more stock agencies on a contractual basis, while stock agencies may accept the high-quality photos of amateur photographers through online submission
metropolitan area
A metropolitan area, sometimes referred to as a metro area, greater area, commuter belt or conurbation, is a region consisting of a densely populated urban coreand its less-populated surrounding territories, sharing industry, infrastructure, and housing. A metro area usually comprises multiple jurisdictions and municipalities: neighborhoods, townships, boroughs, cities, towns, exurbs, suburbs, counties, districts, states, and even nations like the eurodistricts. As social, economic and political institutions have changed, metropolitan areas have become key economic and political regions. Metropolitan areas include one or more urban areas, as well as satellite cities, towns and intervening rural areas that are socio-economically tied to the urban core, typically measured by commuting patterns.
For urban centres outside metropolitan areas, that generate a similar attraction at smaller scale for their region, the concept of the regiopolis and respectively regiopolitan area or regio was introduced by German professors in 2006
Hong Kong Tramways
Hong Kong Tramways (Chinese: 香港電車) is a tram system in Hong Kong and one of the earliest forms of public transport in the metropolis. Owned and operated by RATP Dev Transdev, the tramway runs on Hong Kong Islandbetween Shau Kei Wan and Kennedy Town, with a branch circulating through Happy Valley.
Trams in Hong Kong have not only been a form of commuter transport for over 110 years, but also a major tourist attraction and one of the most environmentally friendly ways of travelling in Hong Kong.[2] The tram system is the only one in the world operated exclusively with double-decker trams, and is one of only three non-heritage tram systems in the world that use double-deck cars the others being Blackpool Tramway, United Kingdom and Alexandria Tram, Egypt.
The tram is the cheapest mode of public transport on the island. The comparatively affordable fare is highlighted by Hong Kong Tramways' advertising slogan: "Hop on 1. $2.3. Tram so easy!"
A tram (also tramcar; and in North America streetcar, trolley or trolley car)
A tram (also tramcar; and in North America streetcar, trolley or trolley car) is a rail vehicle which runs on tracksalong public urban streets, and also sometimes on a segregated right of way.The lines or networks operated by tramcars are called tramways. Tramways powered by electricity, the most common type historically, were once called electric street railways (mainly in the United States) due to their being widely used in urban areas before the universal adoption of electrification.
Tram lines may also run between cities and towns (for example, interurbans, tram-train) or even countries (Basel, Strasbourg), or be partially grade-separated even in the cities (light rail). Very occasionally, trams also carry freight. Tram vehicles are usually lighter and shorter than conventional trains and rapid transit trains, but the size of trams (particularly light rail vehicles) is rapidly increasing. Some trams (for instance tram-trains) may also run on ordinary railway tracks, a tramway may be upgraded to a light rail or a rapid transit line, two urban tramways may be connected to an interurban, etc. For all these reasons, the differences between the various modes of rail transportation are often indistinct. In the United States, the term tram has sometimes been used for rubber-tired trackless trains, which are not related to the other vehicles covered in this article.
Today, most trams use electrical power, usually fed by an overhead pantograph; in some cases by a sliding shoe on a third rail, trolley pole or bow collector. If necessary, they may have dual power systems—electricity in city streets, and diesel in more rural environments. Trams are now commonly included in the wider term "light rail",which also includes segregated systems.
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