Cast rubber, sediments, pigments, acrylic vessel (containing: microbial ecosystem of cyanobacteria and other photosynthetic microorganisms, mud collected from ancient pond Gungnamji, various local sediments, dry leaves, egg yolks, fruit peels, particles from a 33-million-year-old stromatolite bacteria colony, filtration and heating system, turbidity and pH sensors, LEDs synchronized to the daily path of the sun), handblown glass bubbles with inclusions of biological and synthetic filaments, ash, stainless steel, aluminum, copper, sensor-activated speakers