قسمتها
قسمت ۱
قسمت 1
۲۴ فروردین ۱۳۹۴۴۲ دقیقه۰٫۰
The Rion Antirion Bridge is an engineering colossus, spanning almost two miles. Discover how engineers conquered deep water and hurricane force winds to build a structure that could stand strong in one of the most active earthquake zones on our planet.
قسمت ۲
قسمت 2
۳۱ فروردین ۱۳۹۴۴۲ دقیقه۰٫۰
The HMS Queen Elizabeth aircraft carrier has a surface area larger than two soccer fields, and is stocked with cutting edge F35 fighter jets. Discover how this megaship ticks inside and out.
