Brenner Railway is situated at the border between Italy and Austria and also the operational border between the ÖBB and FS networks. The two companies operate different electrical systems, (15,000 V AC at 16.7 Hz in Austria, and 3,000 V DC in Italy), which requires a stop to change electric locomotives. For this reason, for a long time the operation of express trains from Munich to Verona and Milan was carried out with diesel railcars. Until 30 May 1965 was also needed a second engine change in Bolzano station, as the Bolzano–Brenner section still operated under three-phase AC electrification. In recent years
Burias Pass Burias Pass Burias Pass is the strait that separates Burias Island from the Bicol Peninsula in the Philippines. It connects the Ragay Gulf in the north with the Ticao Pass and Samar Sea in the south. It is considered a very important biodiversity area of the country. Along with the Ticao Pass, the waters of the Burias Pass are proposed to become a Marine Protected Area. The pass has plankton-rich waters and constant current, and is home to a large marine diversity. Species found there include whale sharks, thresher sharks, hammerhead sharks, tiger sharks, manta rays, dugong, various species of