Italian designers Raoul Bretzel and Anna Citelli created the Capsula Mundi (“world’s capsule” in Latin), an egg-shaped, organic casket that’s suitable for ashes. Its biodegradable plastic shell breaks down and the remains provide nutrients to a tree planted above it. – WTF Fun Facts
Source: https://edition.cnn.com/2017/05/03/world/eco-solutions-capsula-mundi/index.html