text:  <unk> is the historic center of Manila . Originally , it was considered to be Manila itself at the time when the Philippines was under the Spanish Empire colonial rule . Owing to its history and cultural value , <unk> and <unk> Park are designated as flagship destination to become a tourism enterprise zone in the Tourism Act of 2009 . <unk> is managed by the <unk> Administration ( <unk> ) . 
  