the cocoons are boiled in a large cauldron to extract the fibres. margilan

cocoon natural animal insect nature background thread wildlife fabric life silkworm pupa butterfly closeup material white vector leaf silk silky worm china isolated organic green beautiful larva cycle macro wild biology moth chrysalis transform transformation growth colorful wing caterpillar clothing metamorphosis yarn texture fiber concept traditional fauna industry cocoons boiled large cauldron extract fibres margilan uzbekistan fibres margilan uzbekistan