Complex sentence: The Blauzes, Bronx, New York are two tiny islands totally made of bedrock with a slightly blueish tint that are oddly semi-hemispherical in shape at the northeast corner of City Island Harbor, north of Hart Island.
Split into simpler sentences: The Blauzes, Bronx, New York are two tiny islands totally made of bedrock with a slightly blueish tint and oddly semi-hemispherical in shape. Located at the northeast corner of City Island Harbor, north of Hart Island.