Croatian folk-dress (lace and embroidery showing at back of skirts, not covered by aprons)
Gallery.ru / Фото #10 - Embroidery of the Greek Islands & Epirus Region - Dora2012
DIY Heart Knot DIY Projects / http://UsefulDIY.com on imgfave. You could make this a necklace by getting some bulk chain, doing the knot with the chain, and then attaching a clasp! You could add beads too!