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modern life has few real dangers. we seldom get eaten by wild animals or killed by infectious diseases (shoddy zoos, SARs, world terrorism, natural disasters excepted). The challenges modern man (i use that term in a non-genderly way) faces are more subtle.

What can be worse today than stepping on a wobby paving stone after a rain fall. All the cack and nonsense of the world which sneaks down the gaps under paving stones in every day life is mixed with the water to produce a toxic paste.

Standing on one of these paving stones causes a jet of this toxic material to exit it's hidden tomb at great speed in an upwards and leg-wards direction.

If nothing else, it makes a terrible mess of your shoes.