Sardinia the highest internet performances, such as fastest broadband connection in Italy. Sardinia is also the Italian region with the highest percentage (41%) of 4G LTE users. The Chinese multinational telecommunications equipment and systems companies ZTE and Huawei have development centers and innovation labs in Sardinia. Sardinia has become Europe's first region to fully adopt the new Digital Terrestrial Television broadcasting standard. From 1 November 2008 TV channels are broadcast only in digital. Sardinia has three international airports (Alghero-Fertilia/Riviera del Corallo Airport, Olbia-Costa Smeralda Airport and Cagliari-Elmas Airport) connected with the principal Italian cities and many European destinations, mainly in the
Arbus, Sardinia a large dune system spanning approximately . Is considered one of the biggest dune systems in Europe. Main sights of Arbus include: Arbus, Sardinia Arbus is a "comune" (municipality) in the Province of South Sardinia in the Italian region of Sardinia. Located in the southwest coast of the island, Arbus is known for its coastline, the Costa Verde, and for several archeological sites, such as the mines of Montevecchio. With an area of , Arbus is the second largest municipality in Sardinia. Arbus has been inhabited by man since the ancient Neolithic. It includes a mountain district which separates Medio