Repetition generating difference is alteration. When invariable repetition is reduced to the minimum, alteration becomes the decisive force. Tidal waves rolling in rearrange and reshape the city fabric only opposed by the permanence of moles and the rhythmic transport of goods along them. The fabric most frequently exposed to the waves becomes a milieu of perpetual change and heterogeneity requiring opportunistic adaption whereas the one closest to shore offers solidity and appropriation of a homogeneous surrounding. Leaving it to the individual to chose.