Traces of the street

Cyanotype printing, also known as the blue tanning method, was an early form of printing. By combining ferric ammonium citrate solution with ferric ammonium citrate photographic solution, a dark blue image is created under the sun.Blue tanning will be applied to the facade of the building in this concept. Spreading ferric ammonium citrate solution and ferric ammonium citrate photographic solution on fabric creates the pattern of the environment object that can be printed on the fabric to attract local people’s attention to the natural environment and raise awareness of cherishing the plants and animals of nature.