Experts believe the builders of Stonehenge knew about design, engineering and sound.
Experts believe the builders of Stonehenge knew about design, engineering and sound.
专家认为史前巨石柱的建造者知道设计，技术和声学的原理。
Experts believe the builders of Stonehenge knew about design, engineering and sound.
专家认为史前巨石柱的建造者知道设计，技术和声学的原理。