0 Pure black pigments can be found in nature. Black pigments that are used in painting industry are usually carbon-based, made by burning wood and bones. Black ink used in calligraphy is made by gathering and processing soot, which is the basic color for printing books.

0 In Persian mythologies, black is the color of the underworld. Hades is pitch black and light and regeneration come out of the heart of darkness. The gods are the makers of man, like Siavash who burns in fire, dies, goes to the world of shadows, and then rises again as new plants with the coming of spring.

0 In a certain process of fossilization of plants, a peculiar phenomenon occurs: a two-dimensional image of living creatures are formed inside the layers of rock. Due to the massive amount of pressure in the course of thousands of years, a heavy trace is left on the stone. In fact, this type of fossils are two-dimensional images of ancient plants and animals—a hidden archive of unknown creatures.

100 Using ashes that have remained from a burning book used to illustrate a fossil garden of extinct plants is a reference to a death that leads to the obliteration of a previous world and the birth of a new text that is impossible to read with previous conventions.