Rural buildings have undergone deep changes with the historical transition from traditional agriculture to industrial society.
The Iranian society has undergone deep structural changes that make it impossible to take the country back to the early days of the Revolution of 1979.
In fact, these professions have undergone deep transformation in the last few decades, with new roles and new professional figures emerging, modification of hierarchies and career paths and changes in the relative values attributed to different skills and capacities.
The planning activity of the regional administration of Sardinia (Italy) has undergone a deep change after the approval of the Regional Landscape Plan (RLP), which establishes the directions for nearly any future planning activity in Sardinia, and requires that actual sectoral and local plans, as well as plans for protected areas, be changed to comply with its directions.
In the last 30 years, Peruvian GDP has undergone important changes, ranging from deep losses and periods of fast growth, to drastic changes in the production structure.
Michael Burda, an economics professor at Humboldt University in Berlin, points out that in western Germany the number of unemployed has rarely fallen so far, year-on-year, since the late 1960s.The obvious question is whether all this is merely a cyclical upswing or whether Germany has undergone some deeper, structural change.
