▁and ▁explore ▁this ▁new ▁world . ▁ ▁Also , ▁li que f ied ▁natural ▁gas ▁plants ▁are ▁vent ing ▁g ases ▁which ▁reach ▁station ary ▁cars . ▁Event ually , ▁spark s ▁ign ite ▁pet rol ▁in ▁fuel ▁t anks ▁and ▁the ▁fuel ▁catch es ▁fire . ▁This ▁causes ▁huge ▁explos ions , ▁ign iting ▁multiple ▁fires ▁that ▁will ▁ra ge ▁for ▁days . ▁ ▁( 3 – 5 ▁days ▁A . H .) ▁In ▁London , ▁England , ▁Big ▁Ben ▁rings ▁for ▁the ▁last ▁time . ▁The ▁clock ▁tower ▁needs ▁to ▁be ▁w ound ▁every ▁three ▁days ▁to ▁remain ▁tick ing , ▁but ▁with ▁no ▁one ▁to ▁wind ▁it , ▁it ▁finally ▁gr inds ▁to ▁a ▁halt . ▁In ▁homes ▁and ▁apart ments , ▁domestic ▁p ets ▁are ▁star ving . ▁Now ▁they ▁must ▁break ▁out ▁of ▁their ▁homes ▁or ▁star ve ▁to ▁death . ▁ ▁Pet ▁dogs ▁and ▁c ats ▁exhaust ▁all ▁the ▁food ▁in ▁their ▁homes ▁and ▁break ▁out ▁to ▁search ▁for ▁more ▁in ▁the ▁streets . ▁C ats ▁adapt ▁quickly ▁to ▁hunting . ▁S ew age ▁treatment ▁facilities ▁fail ▁without ▁electric ity , ▁leaving ▁se w age ▁treatment ▁plants ▁useless . ▁Raw ▁se w age ▁begins ▁poll uting ▁rivers ▁and ▁la kes . ▁Ab andon ed ▁dogs ▁struggle ▁to ▁surv ive . ▁ ▁In ▁far ms ▁and ▁past ures ▁all ▁over ▁the ▁world , ▁da iry ▁c ows ▁are ▁struggling ▁to ▁surv ive ▁as ▁their ▁food ▁and ▁water ▁supplies ▁begin ▁to ▁end . ▁In ▁a ▁cruel ▁tw ist ▁of