Answer: Adjective Clause
In the sentence, the bolded words are "where they would be protected from the wind."
Adjective clause is a kind of subordinate clause that describes a pronoun or a noun. Basically, adjective clauses can be determined if they start with words like who, whose, whom, where, when, why, which, and that.
With this, the kind of clause of the bolded words is an adjective clause since that it starts with the word "where."
