Recycle is always on the go, but nowadays a creative recycle project has more demand. Yes, you can also create an artwork from bottle cap. You just need to bring out your creativity to make bottle cap artwork. You will be surprised to know that bottle caps do have much more applications. other than plastic bottle, their caps would be other most produced object on this planet. artist make a portrait of public figure she admire. Here's some of her creation that might be your inspiration.
Bottle cap work of art