Miami to Buenos Aires

This satellite image shows a rare glimpse of southern Bolivia and northern Argentina without cloud cover. Pocitos/Yacuiba are marked by the red dot.

1959 - Pipeline valves at the Campo Duran station near Salvador Mazza, a centre for natural gas production for transport throughout Argentina.

1965 - An oil well in the Salvador Mazza region, near Tartagal. At this point in time, oil and gas was exploited across the region by the state-owned YPL, a major regional employer.

Piqueteros, organised groups of workers made unemployed by the privatisation of the oil and gas companies, protest at their redundancy.

A map of the Bolivia - Argentina border highlighting important areas of oil (black), gas (green), or oil and gas (red) deposits, including those in the Pocitos/Yacuiba area.

Storage tanks like these are used when the natural gas has been extracted from the ground, before it is piped south to Buenos Aires.

1965 - Geophysicsts and drillers examine well logs from an exploratory well drilled near Tartagal, in the Salvador Mazza region.

An operator monitors production of a well in northern Argentina, to ensure consistent and safe extraction of hydrocarbons.

1958 - The Campo Duran pipeline is built during the Argentinian "battle for oil" to transport reserves from Salta in the north heading south towards Buenos Aires.

La Polvolrilla, an aqueduct on the north-west branch of the Ferrocarril General Manuel Belgrano, runs 70 metres above the ground as the train works its way towards Chile.

1965 - The engine of a steam train is loaded with wood to fuel it for its journey at Yacuiba station, on the border between Bolivia and Argentina.

An overlay map of Argentina's extensive rail network across a map of Europe for comparison of size. Yacuiba can be seen at the far north of the network, off the northern coast of the UK.

The "train into the clouds" departs from Salta, in the south of the region, and crosses up over the Andes into Chile.

1965 - Passengers and staff wait whilst the engine at Yacuiba station readies itself for its next journey.

A passenger and freight train running from Santa Cruz to Yacuiba, bringing people and goods from Bolivia's largest city to the Argentinian border.

The "train into the clouds" crosses many viaducts and high bridges as it makes its way out of Salta Province towards the border.

The railway is an important mode of transportation for both people and goods throughout Argentina - this train is running south from Salta towards Buenos Aires.

One of the many viaducts and bridges which make up the "train to the clouds", departing from the south of the Salta region.

1965 - A tanker stuck on poor roads in the Campo Duran region. The railway provided a much faster and more reliable way of transporting goods and people.

1965 - A steam train in Yacuiba waits to be coupled up to carriages and start its journey. The railway was and still is a very important form of transport in both Argentina and Bolivia.

A Bolivian train makes it way through a crowded market town, much like Yacuiba. The railway is an important source of income via trade and transport across Bolivia and Argentina.

An abandoned train lies rusting in Bolivia, north of Yacuiba - although trains are maintained as long as possible, old rolling stock can be seen abandoned in the desert.

1965 - A gaucho, a traditional "cowboy" in Tartagal, south of Salvador Mazza. Gauchos still work using traditional methods across the open grasslands of the Salta plain.

Traders wait at the border between Yacuiba and Salvador Mazza with their goods and wares. The towns are key to trade across the national border.

A mother carries her baby in the traditional way in the north of Salta province - daily traditions are common to people both sides of the border after years of joint history.

A market trader with a bag of coca leaves in Yacuiba market. As well as being used for illegal cocaine, the leaves are chewed or made into tea as they are a mild stimulant.

Locro stew, a common staple dish made of potatoes, peas and ham is enjoyed on a daily basis by the people of northern Argentina and southern Bolivia.

A gaucho, a traditional term for the "cowboys" making up the rural population of the open grasslands of areas such as the Salta province of Northern Argentina.

The cueca is a traditional dance shared across the Chilean, Bolivian and Argentinian borders, still performed in Salvador Mazza and Yacuiba today.

Mate prepared traditionally in a calabash gourd, with a metal straw used both to filter out the leaves and drink the hot liquid.

1965 - A family comes to inspect proceedings at a oil well exploration drill in the Campo Duran region. Oil was seen both as a useful source of employment and as an intrusion on traditional ways.

A box of empanadas salteñas - traditional local pastries filled with spicy beef, cheese, ham or chicken. In Salta they are smaller and made with less oil than throughout Argentina or Bolivia.

1965 - A group of villagers gather water near Tartagal to the south of Salvador Mazza. Villagers both sides of the national border still share similar ways of life.

A yerba mate plant (Ilex paraguariensis) growing in the wild. It is a species of holly plant and is used to make the popular mate drink.

Women dressed in traditional Northern Argentinian costumes in Salta, waiting to perform dances which have been common to this region for over a hundred years.