By the 16th century,skaters were transporting goods across frozen waterways.
By the 16th century,skaters were transporting goods across frozen waterways.
16世纪的溜冰者是在冰冻的水面上运送货物.
By the 16th century,skaters were transporting goods across frozen waterways.
16世纪的溜冰者是在冰冻的水面上运送货物.