Longest conveyor belt system

Longest conveyor belt system
Who
Unknown
Where
Western Sahara (Laâyoune,)
When
1972
Although not the longest single conveyor belt, the conveyor system between the phosphate mine at Boukra and the port of Laâyoune, Western Sahara, stretches for 100 km (62 miles) and consists of 11 sections of between 9 and 11 km (5.6 to 6.8 miles). It was completed in 1972 but has been shut down periodically due to conflict in the region.