Question

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写真の文のまるで囲ったinはどういう意味を持っているのですか？in whichで関係副詞なのですか？

When people travel abroad they are immediately struck by the many different ways in which buildings,
homes and cities are designed. A group of Americans staying in a South American country reacted
emotionally to the unfamiliar architectural surroundings which they found there. The Latin-American