Despite the mountainous surrounds, South America's fourth-largest city is predominantly flat and the cycling infrastructure is excellent.

BBC: Reclaiming the streets in Bogota

The earthquake Saturday morning triggered landslides that cut off roads and disrupted phone and power connections in mountainous Lushan county, in Sichuan's Ya'an city area, which is further south on the same fault line where a devastating quake wreaked widespread damage across the region five years ago.

NPR: China Rushes Relief After Sichuan Quake Kills 180

Malik called the decision "proof" that Pakistan is "very clear that we didn't know" bin Laden was living in a compound in Abbottabad, a Pakistani city with a major military presence, rather than in mountainous areas which Pakistani and U.S. officials often said were believed to be bin Laden's hiding place.

CNN: U.S. granted access to speak to bin Laden's wives

Chery rose up in Wuhu, an industrial city of about 700, 000 in China's impoverished and mountainous Anhui province, a five-hour drive from Shanghai.

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Acapulco, in the mountainous state of Guerrero on Mexico's Pacific coast, was thought of as a relatively safe city despite rampant violence in the surrounding region.

CNN: Gunmen rape 6 tourists near Acapulco, Mexico