Rice A4 Paper Sheet by Ciao Bella. The Sign Of The Times collection by Carta Bella is inspired by all those changes that indissolubly link past, present and future. From alchemists in search of the philosopher’s stone, to the discovery of the atom and DNA. From the study of birds, to the airplanes, navigation and interstellar flights. From the study of human anatomy, to artificial intelligence. From the classification of plants, to chemistry and medicine. Isn’t progress amazing? Combine past and present and experience the world that is changing in the warmest and most vibrant colors!