1 ወቅት
6 ክፍል
Superstructures: Engineering Marvels
- አመት: 2019
- ሀገር: United States of America
- ዘውግ: Documentary
- ስቱዲዮ: National Geographic
- ቁልፍ ቃል: miniseries, civil engineering
- ዳይሬክተር:
- ተዋንያን: Trevor Cooper