Eco Art in Rio de Janeiro Brazil. A fish sculpture constructed from discarded plastic bottles rises out of the sand at Botafogo beach in Rio de Janeiro, Brazil, on June The city is host to the UN Conference on Sustainable Development, or
A Single Thread Wrapped Around Thousands of Nails. Kumi Yamashita, whose mind-blowing shadow artworks have been featured before, uses a single, unbroken thread wrapped around thousands of nails to create stunning portraits of women and men.
The world's largest tree house -- the Minister’s House in Crossville, Tennessee. The largest tree house in the world, the Minister’s House measures over 97 feet tall and uses 6 Oak trees as pillars to support the structure.