Companies based in the northern border region, and near Mexico City, felt least safe.

位于北部边界和靠近墨西哥城的公司安全感最少。

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The three - Shane Bauer, Sarah Shourd and Josh Fattal, had been hiking in the rugged Kurdish region of northern Iraq and their families say they strayed across the border accidentally.

VOA: standard.2009.11.09

In any event, Plan Colombia has reminded Brazil that its remote northern border region is wide open.

ECONOMIST: Colombia and its neighbours

The movement's main base is over the border in northern Iraq, where Iraqi Kurds run their own region.

BBC: Defiance in Turkey's Kurdish heartland

With some planning, an open mind and a willingness to problem solve, camping is a rewarding way to see this incredibly diverse region, which stretches from Mexico's wide northern border with the US to the skinny southern tip of Panama.

BBC: Camping through Mexico and Central America