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Japanese Knotweed

Japanese Knotweed
Marina Belintani
Seaweed

Seaweed
Studio Nienke Hoogvliet
Seashell

Seashell
Studio Mixtura
Shrimp shells

Shrimp shells
Jade Ruijzenaars
Volcanic ash

Volcanic ash
Dzek & Formafantasma
Milk

Milk
Ekaterina Semenova
Bacteria

Bacteria
Living Colour
Biobitumen

Biobitumen
Raewyn Martyn
Soil

Soil
Natural Earth Paints
Rain

Rain
Aliki van der Kruijs
Indigo

Indigo
Kala Chaupal
Terra-merita

Terra-merita
Kala Chaupal
Black Walnut

Black Walnut
de Onkruidenier
Milk

Milk
Milk Paint
Linseed, Calcite, Bentonite

Linseed, Calcite, Bentonite
Natural Earth Paints
Metal waste

Metal waste
Studio Agne
Plant

Plant
Lucila Kenny
Bark

Bark
Lucila Kenny
Avocado seed

Avocado seed
Lucila Kenny

Egg

Egg
Vera Gulikers
Bacteria

Bacteria
Hoekmine BV
Mineral residue

Mineral residue
Studio Mixtura
Calcium Carbonate

Calcium Carbonate
Rocks
Alum

Alum
Widely available