Simplify the following text for a Grade 14 native English-speaking person.
Original: The Bureau operates regional offices in 12 cities : Boston , New York City , Philadelphia , Detroit , Chicago , Kansas City , Seattle , Charlotte , Atlanta , Dallas , Denver , and Los Angeles .
Simplified: There are regional offices in 12 cities : Boston , New York , Philadelphia , Detroit , Chicago , Kansas City , Seattle , Charlotte , Atlanta , Dallas , Denver , and Los Angeles .