The 3 days trip covers various regions in the interior of the country, were visitors can enjoy the mountains, and old heritage cities and villages of limestone, granite and schist. Some have been included in the UNESCO list of World Heritage (examples are the Monasteries of Alcobaça and Batalha, the Convent of Christ in Tomar and Coimbra University).
Some of the concrete structures to be visited, Yes we go in also in a Technical Tour, are near the Serra da Estrela, the highest peak in mainland Portugal with its endless landscapes and glacial lagoons, or in Naturtejo Geopark, a preserved area where several species of birds and animals live.
Finally and not less important, during these 3 days there are flavours for every palate to comfort the stomach and for raising the spirits excellent wines to taste from some demarcated regions of Portugal.
Lisboa (A) – Aguieira bridges (B) – Fagilde (C) dam – Viseu (D) (http://www.centerofportugal.com/viseu/)
Visit to a set of bridges and a dam affected by AAR and DEF. One bridge was replaced, but the old structure is still in the place. Other bridges in the zone were repaired in the last years.
Viseu (A) – Alto Ceira I and Alto Ceira II dams (B) – Santa Luzia dam (C) – Castelo Branco (D) (http://www.centerofportugal.com/the-castle-of-castelo-branco/)
Visit to two dams affected by AAR. Alto Ceira II is a new dam built downstream the old one (Alto Ceira I), which was partially demolished. In Santa Luzia dam the swelling reactions seem to be practically exhausted.
Castelo Branco (A) – Pracana dam (B) – Lisboa (C)
Visit to the 1st structure affected by AAR in Portugal. The dam suffered important repairing works in the 90’s. The dam is located near the International Tagus Natural Park (http://www.centerofportugal.com/tejo-internacional-natural-park/).