Salman swallowed after listening to Xu Huasheng's words.,A super underground bunker capable of holding millions of people, hidden beneath the ground, would cost hundreds of billions of dollars. But to Salman, that price tag wasn't even expensive, it was practically a steal. 。"Mr. Xu, we want a doomsday fortress like this..." 。But can we use oil to offset the funds... " Salman looked at Xu Huasheng. 。,Although Saudi Arabia is wealthy, it has spent a lot of money buying things from China over the past two years.。