The world of art "Canstruction" using empty cans and plastic bottles

The recycling of empty cans has been fixed a lot, and the recycling rate of aluminum cans is considerably as 87.3% (2008). However, it seems there are people working on three-dimensional art with empty cans to have one more work before playing.
Details are below.
Canstruction - Home
This is exhibited in a charity event called "Canstruction" which combines "can (can)" and "Construction (architecture, construction)". Every year, architects, engineers, and art students are participating in the event and creating various works.
Cathedral

Champagne bottle

Eagle spreading feathers

Octopus to catch a submarine

The Simpsons

In these arts, a classic "thinker"

Parent and child of penguins

A orca from underwater

Polar bear

Hot dog

A sharp shark

You can see many other works from the links below.
Photo-Video Archive - Canstruction
in Note, Posted by darkhorse_log