| May 
                21 (Wednesday) Participants will enjoy a free afternoon on Wednesday, May 21. 
                You can consider using this time to visit the Gijón’s 
                Aquarium and Botanic Garden. The City of Gijon has generously 
                offered for all attendees free entrances to these atractions. It is easy for anyone to sightsee in Gijón and/or other 
                places by oneself, but the Local Organizing Committee has arranged 
                two optional guided tours for the participants’ convenience: Tour #1: Gijón 
                is the oldest city of Asturias (founded during the Roman Empire) 
                and it merits a guided tour. The tour starts by visiting the Universidad 
                Laboral. This is a huge building that is known for its well balanced 
                style. The tour continues with a look over the maritime facade 
                that ends at the old harbour. From here you will visit the old 
                town and the Roman baths that were built during the first century. 
                After that you will approach the monumental sculpture “Elogio 
                del horizonte” which is the symbol of Gijón. (Approximate 
                cost = 20 €). Buses will pick up you at the entrance of the 
                Congress Center. Tour #2: Oviedo 
                and the Astur Pre-Romanic buildings (10-11th centuries). The tour 
                includes a visit to the church of San Miguel de Lillo and the 
                hunting refuge (today also a church) of Santa María del 
                Naranco. Both are considered Artistic Human Heritage (UNESCO). 
                Then you will stop at Oviedo (28 km from Gijón), which 
                is the administrative capital of Asturias. Here you will enjoy 
                a walk around the old town and a visit to the cathedral. Oviedo 
                has merit several awards for its effort to preserve historic buildings 
                and the design of pedestrian streets and public spaces. (Approximate 
                cost = 20 €). Buses will pick up you at the entrance of the 
                Congress Center. May 24 (Saturday)
 For participants who are staying on through Saturday, May 24, 
                an excursion to Covadonga and the National Park of the Picos de 
                Europa is strongly recommended. The excursion includes a visit 
                to Cangas de Onís (75 km from Gijón), which was 
                the first capital of the Asturias Kingdom during the 9th century. 
                Here you will see the Roman bridge and other ancient remains (e.g. 
                a megalithic grave from the prehistoric period). Then you will 
                continue to Covadonga (90 km from Gijón), the legend says 
                that here the Astures resisted the Moorish invasion. A basilica 
                was built here and it is the most emblematic site in Asturias, 
                here is where the Prince of Asturias (the future King of Spain) 
                is crowned. Afterwards you will ascend to Lagos de Covadonga, 
                which is the window to the National Park of the Picos de Europa. 
                This was the first Spanish National Park and offers an spectacular 
                view of mountains and peaks as high as 2600 m. (Approximate cost 
                = 36 €; lunch not included.) All tours can be booked and paid for at the Symposium reception 
                desk.
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