A国某公司按有关合同的规定,向B国某公司出口某种“男士套装”.当A方将其货物按合同规定,交给了B方指定的船公司的集装箱码头经营人,并向B方发出了通知后,不料在货物装船前,一把大火把集装箱堆场烧成了废墟.试问,这时的损失该由谁来承担呢? In accordance with the relevant contract, a company in State A exports certain “men’s suits” to a company in State B. When party A delivers its goods to the container terminal operator of the shipping company designated by Party B in accordance with the contract, After Party B issued the notice, it was unexpected that a large fire had burned the container yard into ruins before the cargo was loaded in. How can the loss at this time be borne?