八码滚雪球计划导师简介：You can imagine a scene of a mountain thousands of meters high, almost hollowed out inside. The inside is exactly like an underground hive, with layer after layer connected by elevators in the middle, full of science fiction atmosphere.
You can imagine a scene of a mountain thousands of meters high, almost hollowed out inside. The inside is exactly like an underground hive, with layer after layer connected by elevators in the middle, full of science fiction atmosphere.
