If you love sending one-of-a-kind postcards to your loved ones while on vacation, Panda Poop Postcards may be for you!

Researchers in China were looking for an environmentally friendly way to eliminate the two tons of panda poop created every day by some panda breeding centers, and came to the natural conclusion of using the poop to make souvenir postcards. Why didn’t I think of that?

The invention wasn’t entirely their own – Thai zoos already use elephant dung to make paper products, although the Chinese researchers are confident that panda poop will make higher quality paper, and even smell like sweet bamboo. Mmmm …

via Say No To Crack