سال‌ها دانش‌آموزان برای رسیدن به مدرسه از کوهی در چین بالا می‌رفتند: اتفاقی که بعد افتاد همه را شگفت‌زده کرد

For years, students climbed a mountain in China to get to school: What happened next surprised everyone

What had once been a three-hour treacherous commute to school can now be done in just over half an hour thanks to a modern engineering wonder.