Filigree Pop-up Art. This pop-up book showcases the fascinating underwater world based on the drawings of Ernst Haeckel as a 3D artwork. The wonders of nature are depicted in a masterpiece made of paper. Delicate underwater scenes unfold before the amazed eyes of the viewer. Octopuses, sea anemones, jellyfish, and other marine creatures reveal their graceful splendor. Marvelous formations from the ocean, illustrated by a renowned artist, presented as three-dimensional artworks - in triple beauty.