Pine tree

Pine tree

Pine tree bark

Pine tree bark

Raw Jute

Raw Jute

Recycled Polystyrene

Recycled Polystyrene

Eelgrass

Eelgrass

Pig waste

Pig waste

Coconut husk

Coconut husk

Metal waste

Metal waste

Plant

Plant

Bark

Bark

Egg

Egg

Blood, fat, bone

Blood, fat, bone