How do you ensure that your existing buildings to the needs of users and the standards and requirements of today's meeting? ARiquitectura answered questions about the responsible use of existing buildings with the aim of environmental impact such a way that they reduce ecological sound and still meet the requirements and standards of today. How could their life be well managed in such a way that the environmental impacts during use huge declines. Many of the existing buildings were built at a time when other standards and regulations are applied and which retrieves This gives a pressure on the valuation of the property to compete with new construction.