The answer is obvious. The government is trying to tell us that the world is round, because they want to cover up the fact that the space landings never happened.
Explanation:
The people who climbed Mount Everest was because they actually wanted to see if the ISS was a real thing. The ISS is actually fake feed and the world is trying to cover it up. WE NEED TO EXPOSE THE GOVERNMENT!
The Groins are hard structures and used to maintain uplift beaches as to restrict longshore sediment transportation form tasking place. Are meant to capture sand transportation by the currents.
While the jetty is another type of shore perpendicular structure that is placed adjacent to the tidal inlets and controls the inlet migration. Both of them are used to destabilize coastal systems and disrupt the natural sediment regimes.