World's longest rail tunnel opens Post a Comment The world's longest and deepest rail tunnel is officially opened in Switzerland, after almost two decades of construction work. Baca Juga'Quick fixes' to the climate crisis risk harming natureIn pictures: Solar eclipse as seen from the UK'Miraculous' mosquito hack cuts dengue by 77% Read More Share : You may like these posts :Scientists reconstruct the history of asteroid collisions'Lost city' was created by natureHubble clocks faster cosmic expansion3-D simulations illuminate supernova explosions Post a Comment for "World's longest rail tunnel opens"
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