Biomimetic airships that look like flying animals (whale, jellyfish, bird) powered by helium and robotics.
The Giant Golden-Crowned Flying Fox is the largest bat in the world and can grow to the size of a human child.
The Green Lake Park in Austria sinks underwater every spring. It gets flooded by up to 8 meters as snow melts by the surrounding mountains, turning trails, benches into a crystal-clear underwater wonderland.
