The new system may be generating less pollution, but it is also generating mountains of complaints.

NPR: In Chile, Commuters Sue City over Transit System

The Omani stretch of beach, located in the town but near the mountains, is also a popular camping spot.

BBC: Along Arabia��s east coast

He was referring to the Hudson River School as we stood in a gallery that included not only "Heart of the Andes" but also Albert Bierstadt's "The Rocky Mountains Landers Peak" and Emanuel Leutze's monumental "Washington Crossing the Delaware, " which dwarfed both.

WSJ: American Idyll

But it will also reduce the range of those already vulnerable, especially in the mountains of north Wales and Scotland.

BBC: Wildlife will wander in warmer world

The most popular viewing areas can get crowded with admirers, but it is also possible to take in the colour by taking a multi-day trek through the mountains or roaming the paths of an out-of-the-way public garden.

BBC: K��y��: Japan��s autumn explosion of colour

But walking in Bolivia is also an experience in diversity: one day you can be in snow-covered mountains and the next you might descend through moss-strewn cloud forests to jungle lowlands.

BBC: In Bolivia, awe-inspiring scenes at every turn