Complex sentence: Many explanations for the apparent straight lines connecting various historical sites worldwide have been offered, suggesting deliberate intention, by the builders of the sites, however, for the most part, the concept of ley lines is met with ridicule by nearly all serious archeologists.
Split into simpler sentences: Many explanations for the straight lines apparently connecting various historical sites worldwide have been offered, suggesting deliberate intention by the builders of the sites. However, for the most part, the concept of ley lines is ridiculed by nearly all serious archeologists.