革命圣地延安迎来“高铁时代”

Group 1 - The Xi'an to Yan'an high-speed railway officially commenced operations on December 26, connecting the revolutionary holy land of Yan'an to the national high-speed rail network [3] - The travel time between Xi'an and Yan'an is approximately 1 hour, enhancing the connectivity of Yan'an with the Guanzhong Plain urban agglomeration and beyond [3] - This development is expected to accelerate the revitalization and development of the old revolutionary areas [3]