1. Some Examples of Breakwaters This is the harbor of Provincetown, Massachusetts, at the very northern tip of Cape Cod. Whalewatching boats and other craft use the two piers of this historic waterfront. What might be the reason for the long breakwater, built in front of the piers?

2. Some Examples of Breakwaters Proposed breakwater, location unknown. Study the labels: any ideas on why it is being proposed?

3. Marina Del Rey, California: What manmade structures appear in this aerial photograph? What are some reasons why these structures were built?

4. Santa Barbara, California: What manmade structures appear in this aerial photograph? What are some reasons why these structures were built?

5. Venice Beach, California: How has this offshore breakwater, built parallel to the shoreline, affected the “beach” of Venice Beach? Why do you think it was built?