Which country has conducted a successful flight test of a 3D-printed aircraft engine?

Every Year world Earth day celebrated on 22 April. Earth is often referred to as “Mother Earth” because of its nurturing qualities. To protect the planet from issues such as pollution and deforestation, people celebrate Earth Day on April 22. As we continue to plant more trees, our planet will become a healthier and better place to live in.

The tower, completed in 1972 and designed by renowned architect Kisho Kurokawa, is a landmark of the Metabolism movement, which aimed to create sustainable living spaces that people could take with them if they moved. The owners plan to extract some of the white cuboid capsules before demolition begins on April 12, Tatsuyuki Maeda, who refitted several of them himself.