▁feet ▁long . ▁All ▁wh ale ▁species ▁have ▁recovered ▁to ▁their ▁pre - human ▁populations . ▁Without ▁the ▁inter ference ▁of ▁no isy ▁naval ▁al ar ms , ▁they ▁can ▁hear ▁the ▁m ating ▁calls ▁of ▁other ▁wh ales ▁from ▁ 2 0 0 0 ▁miles ▁away . ▁Rem ains ▁of ▁large ▁ships ▁appear ▁on ▁be aches ▁all ▁over ▁the ▁world ▁after ▁two ▁centuries ▁of ▁err ant ▁jour ne ys ▁over ▁( and ▁under ) ▁the ▁waves . ▁Pl ants ▁and ▁trees ▁completely ▁eliminate ▁the ▁excess ▁CO 2 ▁in ▁the ▁atmosphere . ▁ ▁( 2 3 0 ▁years ▁A . H .) ▁Cor ros ion ▁from ▁rain water , ▁ice ▁and ▁light ning ▁strik es ▁has ▁completely ▁rav aged ▁the ▁upper ▁half ▁of ▁the ▁E iff el ▁Tower , ▁and ▁the ▁iron ▁is ▁r usted ▁through ▁and ▁te eter ing . ▁A ▁strong ▁wind ▁col laps es ▁it , ▁and ▁falls ▁into ▁the ▁new ▁mar sh ▁on ▁the ▁River ▁Seine ▁that ▁has ▁flo oded ▁the ▁rem n ants ▁of ▁Paris . ▁Th ous ands ▁of ▁wild ▁bo ar ▁( desc end ants ▁of ▁both ▁the ▁domestic ▁p ig ▁and ▁wild ▁bo ar ) ▁live ▁under ▁the ▁Tower ' s ▁legs . ▁The ▁right ▁arm ▁of ▁the ▁Stat ue ▁of ▁Liber ty ▁falls ▁to ▁the ▁ground . ▁The ▁head ▁cra cks ▁off ▁and ▁follows ▁the ▁arm ▁some ▁time ▁later . ▁The ▁iron ▁that ▁makes ▁up ▁its ▁ske leton ▁has ▁r usted ▁through , ▁and ▁both ▁parts ▁were ▁too ▁weak ▁to ▁stay ▁up , ▁but