Learned how rice and crops are grownWalked up the hills in the mountainsNone of the above choices .Learned the history of the Areas they saw
What did they do on their tour ?
Our journey took us to a region called the Dragon 's Spine , located in a high and rugged mountain range . Long ago , the dominant Han Chinese drove several minority ethnic groups out of the surrounding low lands . These groups then built their communities in the mountains , transforming the steep hillsides into terraces so that they could grow rice and other crops .