Colorado adventure travel photographer Sergio Ballivian 

Construction fence lined with privacy cloth.

A pair of boots and a human form are reflected in a puddle

Shadows of commuters waiting to catch a train

A woman walks along the beach

A person prepares for an early morning open ocean swim in Miami Beach, Florida.

A cowboy takes down a barbed-wire fence by hand in the Bolivian Amazon.

Graphic lines of a chain on a ship's bow interact with colors of wavy lines in the water.

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An abandoned and gutted public bus has been turned into an animal corral in Bolivia's Altiplano.

Informal roads on the Salar de Uyuni in southwest Bolivia.

An old colonial-era church located in Sajama National Park in Bolivia is dwarfed by the Parinacota Volcano in neighboring Chile.

The flooded muddy streets and a lonely dog in the village of Col