قسمتها
قسمت ۱
قسمت 1
۲۵ تیر ۱۳۹۹۴۲ دقیقه۶٫۰
The world's biggest oil tanker is longer than four football fields and can haul 15,000 trucks worth of oil. Thanks to cutting-edge maritime engineering, this record-breaking vessel makes its deliveries across rough seas quicker and safer than ever.
قسمت ۲
قسمت 2
۱ مرداد ۱۳۹۹۴۲ دقیقه۷٫۰
Engineers in Seattle are building the world's first floating railway bridge, and to tackle this complex engineering challenge, they use new, innovative construction technology that enables high-speed trains to go where they've never gone before.
