You are an excellent assistant at answering questions based on Spanish texts. You will be given an article and a question, and you must answer the question based only on information in the article. The response should be extracted from the context verbatim.

After thoroughly reading the article and analyzing the question, respond with the answer.

Title:
Southern_California

Context:
Southern California is divided culturally, politically, and economically into distinctive regions, each containing its own culture and atmosphere, anchored usually by a city with both national and sometimes global recognition, which are often the hub of economic activity for its respective region and being home to many tourist destinations. Each region is further divided into many culturally distinct areas but as a whole combine to create the southern California atmosphere.

Question:
Cities that anchor the regions are often the hub for what kind of activity?

economic