Inside the Story · No. 03 · Wednesday 30 September 2026 · Nature · South Asia

The Salt Pans of the Rann

What does a salt desert look like from space?

The inside story of a design inspired by the salt pans of the Rann of Kutch, seen from space.

Rann of Kutch, India, NASA Earth Observatory; ISS Crew Earth Observations Facility and the Earth Science and Remote Sensing Unit, Johnson Space Center
The source
Rann of Kutch, IndiaAstronaut photograph from the International Space Station (Expedition 43), Nikon D4, 1150 mm lens · Rann of Kutch, Gujarat, India, near the Pakistan border, 11 April 2015 · An area roughly 16 km wide (NASA)NASA Earth Observatory; ISS Crew Earth Observations Facility and the Earth Science and Remote Sensing Unit, Johnson Space Center · Astronaut photograph ISS043-E-101645, courtesy of the ISS Crew Earth Observations Facility and the Earth Science and Remote Sensing Unit, NASA Johnson Space Center. Caption by M. Justin Wilkinson. · object ISS043-E-101645 · public_domainView at NASA Earth Observatory; ISS Crew Earth Observations Facility and the Earth Science and Remote Sensing Unit, Johnson Space Center ↗

Astronauts on the International Space Station photographed this salt flat in western India, near the Pakistan border. NASA's caption: the Rann of Kutch stretches inland in an almost straight line for 325 kilometres from the Arabian Sea coast; its marshy salt flats become snow white when the summer monsoon flood waters dry up; and the angular evaporation ponds along its floor are the heart of a major salt-producing industry. The straight lines are ditches that help control the flow of salt-rich water.

What we saw

Five parts, traced from the photograph
The evaporation ponds
1The evaporation pondsFirst, the ponds. Twenty-two angular pans, maroon to rose to almost white, each walled by a thin bund.
The drainage ditches
2The drainage ditchesThen the straight lines. What are they? Ditches, steering the salt-rich water.
The salt crust
3The salt crustBetween them, the flat itself. A pale, mottled crust.
The farmland
4The farmlandAt the corner, dark farmland. A grain of small fields.
One line across it all
5One line across it allAnd one straight line across it all, from the salt to the fields.

5 prints, each from a different part

Each print starts from a part of the source

The palette

Every colour here was already in the source.
#E5DDCEChalk white · from the source
#DCD2C0Salt sand · from the source
#CBB197Blush pan · from the source
#A98574Rose pan · from the source
#887274Maroon pan · from the source
#544D4BField umber · from the source
#443E3DDeep umber · from the source
#7F827FDitch slate · from the source

Why now

Rann Utsav, the festival at Dhordo on the white Rann, runs through the winter. Last season ran from 23 November 2025 to 20 February 2026; the dates for 2026 to 2027 were not yet published when this story was made.

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Source: Rann of Kutch, India, Rann of Kutch, Gujarat, India, near the Pakistan border, 11 April 2015, Astronaut photograph from the International Space Station (Expedition 43), Nikon D4, 1150 mm lens. NASA Earth Observatory; ISS Crew Earth Observations Facility and the Earth Science and Remote Sensing Unit, Johnson Space Center, Astronaut photograph ISS043-E-101645, courtesy of the ISS Crew Earth Observations Facility and the Earth Science and Remote Sensing Unit, NASA Johnson Space Center. Caption by M. Justin Wilkinson., object ISS043-E-101645. public_domain. View the object.

Facts from: science.nasa.gov, eol.jsc.nasa.gov.