Canals have long been an important means of transportation and commerce.
Canals have long been an important means of transportation and commerce. Identify the following prominent canals for ten points apiece.  1: At 1782 km in length, it connected Beijing and Hangzhou. Begun in the 5th century BC, it is still in use today. The oldest sections connected the Yellow and Chang Jiang rivers, while additions in the 13th century AD added a connection to Beijing.
Canals have long been an important means of transportation and commerce.
{Grand} Canal (China)