Construction was carried out throughout the war, particularly between 1941 and 1945.

The construction was carried out on site and took four months to prepare.

The construction is being carried out by a Turkish company.

The design and construction is being carried out by contractor 8Build.

Construction was carried out regularly from 1939 to 1958 with the majority being built in the late 40's and early 1950s.

It dates to 1513; construction was carried out over 125 years.

Although specific plans were articulated, no construction was carried out.

Construction had been substantially carried out by 1541, but it would take several more years to complete.

Construction of boulder walls was carried out in 1323, 1324, and 1325.

Construction is being carried out in four phases - west, south, east and north.