Mouths full of laughter, the turistas come to the tall hotel with suitcases full of dollars. Every morning my brother makes the cool beach new for them. With a wooden board he smooths away all footprints. I peek through the cactus fence and watch the women rub oil sweeter than honey into their arms and legs while their children jump waves or sip drinks from long straws, coconut white, mango yellow. Once my little sister ran barefoot across the hot sand for a taste. My mother roared like the ocean, "No. No. It's their beach. It's their beach." —"Fences," Pat Mora So I don't get locked out of answering.
What is being contrasted?
the brother and the sister the tourist and the natives the ocean and the hotel
What is the effect of this contrast?
Sibling rivalry makes the characters come to life. The descriptive scenery shows the setting. The difference shows the natives' emotions.