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unless indeed the sun's rays should break through them; in that case
the rain will appear less dark than the clouds. And if the heavy
masses of ruin of large mountains or of other grand buildings fall
into the vast pools of water, a great quantity will be flung into
the air and its movement will be in a contrary direction to that of
the object which struck the water; that is to say: The angle of
reflection will be equal to the angle of incidence. Of the objects
carried down by the current, those which are heaviest or rather
largest in mass will keep farthest from the two opposite shores. The
water in the eddies revolves more swiftly in proportion as it is
nearer to their centre. The crests of the waves of the sea tumble to
their bases falling with friction on the bubbles of their sides; and
this friction grinds the falling water into minute particles and
this being converted into a dense mist, mingles with the gale in the
manner of curling smoke and wreathing clouds, and at last it, rises
into the air and is converted into clouds. But the rain which falls
through the atmosphere being driven and tossed by the winds becomes
rarer or denser according to the rarity or density of the winds that
buffet it, and thus there is generated in the atmosphere a moisture
formed of the transparent particles of the rain which is near to the
eye of the spectator. The waves of the sea which break on the slope
of the mountains which bound it, will foam from the velocity with
which they fall against these hills; in rushing back they will meet
the next wave as it comes and and after a loud noise return in a
great flood to the sea whence they came. Let great numbers of
inhabitants--men and animals of all kinds--be seen driven [54] by
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