“Three Natural Bridges”的意思、由来-开放百科全书

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Three Natural Bridges

释义

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{{coord|29.433863|N|107.80128|E|type:landmark_region:CN-50_source:Gaode|format=dms|display=t}}

The Three Natural Bridges ({{zh|s=天生三桥|t=天生三橋|p=Tiānshēng Sān Qiáo}}) are a series of natural limestone bridges located in Xiannüshan Town ({{lang|zh-hans|仙女山镇}}), Wulong District, Chongqing Municipality, China.^[1] They lie within the Wulong Karst National Geology Park, itself a part of the South China Karst-Wulong Karst UNESCO World Heritage Site.^[2] In Chinese, the bridges are all named after dragons, namely Tianlong ({{zh|links=no |s=天龙桥 |l=Sky Dragon}}) Qinglong ({{zh|labels=no |s=青龙桥 |l=Azure Dragon}}) and Heilong ({{zh|labels=no |s=黑龙桥 |l=Black Dragon}}).

Description

{{Location map+|Chongqing
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  {{Location map~|Chongqing|lat=29.433863|long=107.80128|label=Three Natural Bridges|position=bottom}}  {{Location map~|Chongqing|lat=29.557212|long=106.57665|label=Yuzhong|position=left|mark=Green pog.svg}}

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Spanning the Yangshui River, a tributary of the Wu River, the bridges are at the centre of a {{Convert|20|km2|abbr=on}} conservation area which also includes:

Qinglong Tiankeng (青龙天坑);
Shenying Tiankeng (神鹰天坑);
Yangshui River Karst Canyon (羊水河喀斯特峡谷);
Longshui Gorge (龙水峡地缝);
Central Shiyuan Tiankeng (中石院天坑);
Lower Shiyuan Tiankeng (下石院天坑);
Seventy-two Branch Cave (七十二岔洞);
Longquan Cave (龙泉洞);
Immortal Cave (仙人洞);
Hidden Monkey Stream (猴子坨伏流);
Hidden Baiguo Stream (白果伏流).

Given that the distance between the upper end of the Tianlong Bridge and the lower end of the Heilong Bridge is only {{Convert|1500|m|abbr=on}}, these are not the longest natural bridges. However, they are the only such group of karst structures in the world.{{citation needed|date=February 2011}} Between the bridges lie the Qinglong and Shenying tiankengs which have a depth of 276–285 metres and a circumference of 300–522 metres.

Dimensions

Height	Thickness	Width	Clearance	Span
Tianlong Bridge (天龙桥)	235\|m\|ft}}	150\|m\|ft}}	147\|m\|ft}}	96\|m\|ft}}	34\|m\|ft}}
Qinglong Bridge (青龙桥)	281\|m\|ft}}	168\|m\|ft}}	124\|m\|ft}}	103\|m\|ft}}	31\|m\|ft}}
Heilong Bridge (黑龙桥)	223\|m\|ft}}	107\|m\|ft}}	193\|m\|ft}}	116\|m\|ft}}	28\|m\|ft}}

References

1. ^{{Cite web|url=http://www.cq.xinhuanet.com/2008/2008-07/25/content_13929606.htm|trans-title=The Three Natural Bridges |script-title=zh:天生三桥 | language = zh-hans|publisher=Xinhua|date=July 25, 2008|accessdate=February 16, 2011|deadurl=yes|archiveurl=https://web.archive.org/web/20110720032955/http://www.cq.xinhuanet.com/2008/2008-07/25/content_13929606.htm|archivedate=July 20, 2011|df=}}
2. ^{{Cite web|url=http://whc.unesco.org/en/news/365/|title=Twenty-two new sites inscribed on UNESCO’s World Heritage List, and one deleted during Committee meeting in Christchurch|publisher=UNESCO World Heritage Convention|date=June 29, 2007|accessdate=February 14, 2011}}

External links

[https://web.archive.org/web/20110710165111/http://www.echinacities.com/chongqing/city-life/wonders-of-nature-wulong-national-geological-park.html Wonders of Nature: Wulong National Geological Park]
China: Three Natural Bridges National Geopark

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