Transboundary animal diseases such as Foot-and-Mouth Disease (FMD), screwworm and peste des petits ruminants (PPR) are especially threatening in Iraq and in the region.

诸如口蹄疫（FMD）、螺旋蝇蛆和小反刍动物有害生物（PPR）等跨界动物疾病尤其给伊拉克和该区域带来威胁。

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A crisscross network of public and private railways makes it easy to explore the entire Lavaux region on foot or by bike.

四通八达的公共及个人铁路网为观光提供了便捷，游客们可以步行，也可以骑自行车。

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The barren summit region of the 3, 340-meter - (10, 960-foot -) high Turrialba appears gray and brown, while the volcanic plume is a hazy blue.

图里·阿尔瓦火山3340米(10960英尺)以上是贫瘠的山顶，呈现灰色和棕色，上面笼罩着薄雾状的火山蒸汽的青烟。

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Alternatively, you can ride alongside Sri Lankan families in the slower-moving second- and third-class trains, getting off each day to explore a slice of the region on foot.

BBC: Getting to the heart and soul of hilly Sri Lanka

If you fancy seeing the region on foot, the 200km Kerry Way Ultra crosses prehistoric roads, famine graves, abandoned villages, hilltop burial chambers and ancient standing stones.

BBC: A finish line few will cross

The region is littered with small, intimate coves -- the majority of which can only be reached by foot or boat.

CNN: Barcelona and beyond: Best beaches and bays