探索未知深渊。农夫聊语音频聊天室
更新时间:2025-11-27 02:26:54 | 人气:732414 | 作者:谯霞弦, |
Throughout this season of UNDERGROUND MARVELS, historians, engineers, and experts reveal underground structures that seem to defy human imagination, from Southwest England to Moldova and beyond. In South Dakota, a decommissioned military bunker lies abandoned 200-feet below the ground. Now, 50 years later, how has this massive silo been repurposed for a new generation? In Exete... (展开全部)