People on both sides of the strait share much common culture.
Tips
culture
两岸 in political context specifically refers to mainland China and Taiwan (across the Taiwan Strait). 两岸关系 (cross-strait relations) is a frequently discussed topic in Chinese media.
usage
In non-political contexts, 两岸 simply means 'both banks' of a river or body of water.
culture
"两岸猿声啼不住，轻舟已过万重山" — famous line by Li Bai from "Departing from Baidi City in the Morning," one of the most memorized Tang poems.
