By AFP

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At the edge of an oasis almost engulfed by the dunes, where the rare caravan still passes, is a desert landscape punctured by holes.

The salt pans of Kalala, near Bilma in north-eastern Niger, were once an essential stop for traders with their swaying lines of camels.

Salt digging, carried on from generation to generation, was a thriving business, involving a commodity so precious that it was bought and sold across the Sahara and beyond.

Today, in this isolated desert region plagued by armed gangs and smugglers, the diggers struggle to survive.

Over centuries, hundreds of pits have been dug by hand and then filled with water to leach salt from the local rock.

Standing in the black- and ochre pits, Ibrahim Tagaji and a colleague were wrestling with a crowbar to harvest the bounty -- a method of extraction that essentially remains unchanged over time.

A blisteringly hot day, when the temperatures reached 45 degrees Celsius (113 degrees Fahrenheit) in the shade, was coming to a close.

Barefoot in brine swimming with crystals, the two men dug out salty chunks and pounded them into grains, which were then scooped out with a gourd.

They then poured the salt into moulds made from date palms, forming slabs that were then ready for sale.

It is punishingly hard work, rewarded by an income that fluctuates according to whichever buyers happen to pass through town.

"When someone with money comes, you earn a lot," said Tagaji between shovelfuls. "Otherwise, it's a lot of work and the money's poor."

But the local economy offers few alternatives and roughly half of Bilma's population still works in the pits, according to local officials.

"As soon as you drop out of school, you have to work here," said Omar Kosso, a veteran of the industry.

"Every family has its own salt pan. You are with your wife, your children, you come and work."

Read: Insecurity, harsh climate wreak havoc in the Sahel region

The ‘mai’

The camel caravans still stopover in Bilma, where the vast majority of residents live in traditional houses with walls of salt and clay drawn from nearby quarries.

An individual called the "mai" is the traditional authority here, determining who gets which area to dig and setting the sale price.

Kiari Abari Chegou comes from a long line of chiefs, each of whom has handed down to his successor the office and its attributes: a ritual sword and a parchment leather war drum.

Kiari Abari (C), the descendant of a long lineage of Sultans, poses for a portrait at his palace in Bilma in front of a 200 years old flag carrying his family insigna on May 23, 2023. PHOTO | SOULEYMANE AG ANARA | AFP

There is also the white flag covered with surahs, the same one displayed by his grandfather in an old black-and-white photo from the early 1920s pinned to the wall of the family home.

As mai, Abari Chegou promotes the virtues of the locally produced salt.

"Sea salt has to be iodized to avoid deficiencies," he said. "Our salt is 90 percent iodized, so we can eat it directly without risking getting sick."

Unfortunately for Bilma, however, the world outside has changed.

"In the past, the caravans came -- the Daza, the Hausa, the Tuareg," he said, reeling off some of ethnic groups in the region. "Now it's not like before."

The Tuareg traders, for instance, gradually gave up their nomadic way of life to settle, farming the fertile foothills of the nearby Air mountains in the north.

"You make more money like that than tiring yourself out spending 10 days travelling to get to Bilma, then 10 days back," Abari Chegou acknowledged.

It made more sense to buy a slab of salt for 2,000 CFA francs ($3.25) in Agadez, the regional capital 550 kilometres (350 miles) away, than to travel all the way to Bilma to bargain for it at a third of the price, he said.

Desert journey

The desert journey is as dangerous as it is tough.

Read: Migrants stranded in Niger desert town

The Kawar oasis borders Chad and Libya, a country ravaged by a civil war since 2011, and traffickers and other criminals take advantage of the region's porous borders.

That means that people travel in the region armed and, where possible, in convoys under military escort to guard against attacks.

"The bandits stop our trucks, they take our phones and money and then they let us through," said a driver who gave his name as Ahmed and was about to set off with sacks of salt.

Salt worker Omar Kosso said that customers were hard-bargaining merchants, passing traders or traffickers.

A trader arranges salt slabs destined to animal consumption in Bilma on May 23, 2023. PHOTO | SOULEYMANE AG ANARA | AFP

"We don't have good customers," he said.

All of that means that offers are difficult to refuse for the people in this poor region.

The European Union did pay for several trucks, in a bid to open up the salt-producing municipalities.

But the fleet of vehicles succumbed to the heat, the rugged roads and squabbles between members of the local cooperative.

Abari Chegou, the chief, said he dreamt of a "well-knit" cooperative that could buy vehicles and have a place to store production to help buttress prices.

In the meantime, he waited for the lonely caravans that passed between the dunes.