The steel tubes making up the arcs weigh between 9,000 and 10,000 tons each and are “big enough to drive a bus through, ” according to a construction expert.
Terastorudest kaared kaaluvad kumbki 9000 – 10000 tonni ja on ühe ehituseksperdi sõnul „nii suured, et buss mahuks seal sees sõitma ”.