The president of the government of Spain has taken advantage of his trip to Beijing to defend to the president of China the proposal to host in the Observatory of Roque de Los Muchachos the one that will be the largest optical telescope in the world
The president of the government of Spain has taken advantage of his trip to Beijing to defend to the president of China the proposal to host in the Observatory of Roque de Los Muchachos the one that will be the largest optical telescope in the world