An ecotour to the region of ethnic minorities is very valuable because tourists ____. A. can understand the aspects of
An ecotour to the region of ethnic minorities is very valuable because tourists ____.
A. can understand the aspects of cultures and traditions
B. can make a trip to the limestone mountain of Cao Bang - Bac Kan
C. can learn dying practices using endemic plants to produce brocading
D. can make traditional boats of precious timber collected in the forest