THE WEIGHT OF SALT

salt
Tuzla, Bosnia-Erzegovina. SOLANA Tuzla, Inc. Salt Industry.
Located in the northeastern part of Bosnia and Herzegovina, Tuzla is the “city of salt” (‘tuz’ is the Turkish word for salt) and has neolithic origin. Thanks to salt deposits can be considered one of the oldest European settlements.

During the communist period, Tuzla developed into a major industrial and cultural centre in former Yugoslavia.(SOLANA was the only salt industry on the area and covered part of the European salt market). During the Bosnian war, 1992-1995, was the only municipality not governed by nationalist authorities. And, while the rest of the country was divided between ethnic groups, nationalities and minorities, Tuzla stubbornly remained a multiethnic community. Today the city of Tuzla is collapsing, day after day. An old town center crushing under the eyes of the citizens. Cracks passing through houses, fractures cutting sidewalks. Where war could not operate, instead destruction is succeeding caused by a specify geological phenomenon: Subsidence.
The collapsing phenomenon that affect Tuzla are the consequence of wild brine pumping activities carried out along the last 100 years.

The indiscriminate salt exploitation – started in 1906 and reached his maximum in the year 1982 with more than 2 million m3 pumped brine – has been carried out by means of 150 boreholes at an average depth of 400-500 m. and changing over time the hydrogeological conditions. This meant a serious soil sinking (in the central area of the city has reached 17 meters) and damage to buildings and urban infrastructure.

Here some number: 25 billion tons of salt are extracted during the mining; 12 million m3 of “deficiency” generated; about 2,000 are the buildings collapsed in the last sixty years; 15,000 the number of people who have lost their homes.

The north-eastern part of Tuzla correspond to the area that have been mostly damaged by subsidence and often subjected to severe flooding in case of rainfalls. In this parts buildings have been completely destroyed and the traces of the original surface faults have been obliterated by the restoration activities.
However another factor is complicating the situation of Tuzla. The stop of mining, which took place in 2007, has now generated a recovery and increase of the groundwater level. This means the risk of severe flooding of inner cities.

In 2005, the town of Tuzla, thanks to the collaboration with the University of Bologna (CIRSA, Italy) and the Province of Ravenna, installed one of the most cutting-edge equipment and technology in order to monitor this issue by identifying the main risk factors and quantifying their impact.

This project stopped in 2008.

(The images were taken in December 2014 and July 2015)

About the authors:
Michele Cirillo (Italy, 1988) is a photojournalist based in Rome, interested in narrating human stories and the geopolitical changes of recent years. He collaborated with Croce Rossa Italiana, Repubblica.it, Parallelo Zero, Fendi.

Emanuela Laurenti is a freelance photographer based in Rome. After a degree in Foreign Languages and Literatures, she specialized first in Photoediting at the Scuola Romana di Fotografia and then in Publishing, Journalism and Communication at the University of Roma Tre.  Today she is a D.O.O.R ACADEMY student, attending the AM Modern Documentary Photography held by Massimo Mastrorillo.

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