What are we doing?

We just received these photos from Maspalomas in the South of Gran Canaria, machines destroying in hours what took generations to be created by nature. With the "intention" of creating some protection to the constructions by the sea, they're destroying the biggest and natural protection, which is the reef, without that, the waves will break with all his power on the shore.

Meanwhile, at the North of mainland Spain, more of the same: