Wallace Line to the west of the Philippines. Wallace's studies in Indonesia demonstrated the emerging theory of evolution, at about the same time as Joseph Dalton Hooker and Asa Gray published essays also supporting Darwin's hypothesis. Understanding of the biogeography of the region centers on the relationship of ancient sea levels to the continental shelves. Wallace's Line is visible geographically when the continental shelf contours are examined; it can be seen as a deep-water channel that marks the southeastern edge of the Sunda Shelf which links Borneo, Bali, Java, and Sumatra underwater to the mainland of southeastern Asia. Australia is likewise connected
Line 11 (Shanghai Metro) Line 11 (Shanghai Metro) Line 11 is a northwest-southeast line of the Shanghai Metro network. Since October 2013 Line 11 serves Kunshan city also and it is the second intercity metro in China after the Guangfo Metro, and the first that crosses a provincial boundary. Services run at 5-minute intervals from either or to (though a limited number of peak-hour services originating at Huaqiao terminate early at ). The line is colored brown on system maps. The 1st phase of Line 11, which runs from to , opened on 31 December 2009. A branch line from opened on 29 March