unobstructed

US /ˌʌn.əbˈstrʌk.t̬ɪd/
UK /ˌʌn.əbˈstrʌk.t̬ɪd/
1.

không bị cản trở

not blocked, so that it is easy to see something or go somewhere:

:
Because they are built on a steep angle, the seats provide unobstructed views.