Building an exact replica of anoriginal building, duplicating the materials,design, functional layout, workmanship, andeven inadequacies.
Merriam-Webster Online Dictionaryreproduction
the act or process of - reproducing , specifically the process by which plants and animals give rise to offspring and which fundamentally consists of the segregation of a portion of the parental body by a sexual or an asexual process and its subsequent growth and differentiation into a new individual
something - reproduced copy
young seedling trees in a forest