Those carvings were
broadcasted on TV in march.(in Japan)
(2 kind of Carrot,Kyo-potato,Arctium lappa L.)
A car and the motorcycle run on gasoline.
what was the gasoline made by?
The answer is oil....
What was the oil made by?
The answer is.... ancient plants(also animal)....
Therefore It is not mysterious even if a motorcycle,
car and a spaceship are made from vegetables :)
It is very natural art.
The future star in Broadway
Enjoy your vegetable!