World_NN1 Leaders_NN2 Revisit_VV0 Berlin_NP1 Wall_NN1 's_GE Fall_NN1 International_JJ leaders_NN2 took_VVD to_II the_AT streets_NN2 of_IO Germany_NP1 's_GE capital_NN1 city_NN1 alongside_II Cold_JJ War_NN1 veterans_NN2 ,_, ordinary_JJ Berliners_NN2 and_CC tourists_NN2 to_TO celebrate_VVI the_AT 20th_MD anniversary_NN1 of_IO the_AT fall_NN1 of_IO the_AT Berlin_NP1 Wall_NN1 ._. 
A_AT1 day_NNT1 of_IO speeches_NN2 ,_, concerts_NN2 and_CC street_NN1 parties_NN2 dubbed_VVN the_AT "_" Festival_NN1 of_IO Freedom_NN1 "_" was_VBDZ culminated_VVN in_II the_AT evening_NNT1 with_IW the_AT fall_NN1 of_IO a_AT1 row_NN1 of_IO colorful_JJ ,_, eight-foot-high_JJ dominoes_NN2 ,_, stretching_VVG for_IF nearly_RR a_AT1 mile_NNU1 through_II the_AT center_NN1 of_IO Berlin_NP1 along_II the_AT path_NN1 of_IO the_AT former_DA Wall_NN1 ._. 
International_JJ guests_NN2 at_II the_AT event_NN1 included_VVD Secretary_NN1 of_IO State_NN1 Hillary_NP1 Clinton_NP1 ,_, Russian_JJ President_NNB Dmitry_NP1 Medvedev_NP1 ,_, and_CC leaders_NN2 of_IO all_DB 27_MC countries_NN2 in_II the_AT European_JJ Union_NN1 ,_, including_II French_JJ President_NNB Nicolas_NP1 Sarkozy_NP1 and_CC U.K._NP1 Prime_JJ Minister_NN1 Gordon_NP1 Brown_NP1 ._. 
On_II a_AT1 typically_RR damp_JJ November_NPM1 afternoon_NNT1 ,_, German_JJ Chancellor_NNB Angela_NP1 Merkel_NP1 retraced_VVD her_APPGE steps_NN2 of_IO 20_MC years_NNT2 ago_RA by_II crossing_VVG a_AT1 bridge_NN1 at_II Bornholmer_NP1 Street_NNL1 ,_, once_CS the_AT site_NN1 of_IO the_AT border_NN1 crossing_NN1 where_CS a_AT1 cheering_JJ crowd_NN1 of_IO East_NP1 Germans_NN2 first_MD breached_VVD the_AT Berlin_NP1 Wall_NN1 on_II Nov._NPM1 9_MC ,_, 1989_MC ._. 
Ms._NNB Merkel_NP1 ,_, then_RT a_AT1 35-year-old_JJ physicist_NN1 living_VVG in_II East_NP1 Berlin_NP1 ,_, was_VBDZ among_II those_DD2 who_PNQS walked_VVD through_II the_AT open_JJ gate_NN1 into_II democratic_JJ West_NP1 Berlin_NP1 that_DD1 night_NNT1 ._. 
On_II Monday_NPD1 she_PPHS1 led_VVD former_DA Soviet_JJ leader_NN1 Mikhail_NP1 Gorbachev_NP1 ,_, and_CC Lech_NP1 Walesa_NP1 ,_, leader_NN1 of_IO Poland_NP1 's_GE Solidarity_NN1 movement_NN1 ,_, across_II the_AT bridge_NN1 ,_, through_II a_AT1 chaotic_JJ throng_NN1 that_CST Ms._NNB Merkel_NP1 said_VVD reminded_VVD her_PPHO1 of_IO the_AT event_NN1 20_MC years_NNT2 ago_RA ._. 
The_AT chancellor_NN1 thanked_VVD both_DB2 men_NN2 for_IF their_APPGE contributions_NN2 to_II the_AT democratic_JJ revolutions_NN2 that_CST swept_VVD Eastern_JJ Europe_NP1 in_II 1989_MC ._. 
The_AT independent_JJ trade_NN1 union_NN1 Solidarity_NN1 challenged_VVD Communist_JJ rulers_NN2 who_PNQS claimed_VVD to_TO speak_VVI for_IF the_AT workers_NN2 ,_, while_CS Mr._NNB Gorbachev_NP1 "_" bravely_RR let_VV0 things_NN2 happen_VVI "_" in_II Poland_NP1 ,_, East_NP1 Germany_NP1 and_CC other_JJ former_DA Soviet_JJ satellites_NN2 ,_, Ms._NNB Merkel_NP1 said_VVD to_II cheers_NN2 from_II onlookers_NN2 ._. 
For_IF 28_MC years_NNT2 the_AT Berlin_NP1 Wall_NN1 stopped_VVD East_NP1 Germans_NN2 from_II visiting_VVG or_CC escaping_VVG to_II West_NP1 Berlin_NP1 ,_, an_AT1 enclave_NN1 of_IO the_AT democratic_JJ ,_, capitalist_JJ West_ND1 inside_II the_AT Communist_JJ bloc_NN1 during_II the_AT Cold_JJ War_NN1 ._. 
The_AT fortified_JJ and_CC guarded_JJ Wall_NN1 fell_VVD to_II crowds_NN2 of_IO ordinary_JJ citizens_NN2 20_MC years_NNT2 ago_RA after_II an_AT1 East_NP1 German_JJ official_NN1 bungled_VVD the_AT announcement_NN1 of_IO new_JJ travel_NN1 regulations_NN2 ,_, giving_VVG media_NN the_AT impression_NN1 that_CST the_AT border_NN1 lay_VVD open_JJ with_IW immediate_JJ effect_NN1 ._. 
While_CS Germans_NN2 have_VH0 celebrated_VVN that_CST happy_JJ accident_NN1 in_II recent_JJ days_NNT2 and_CC weeks_NNT2 ,_, Ms._NNB Merkel_NP1 's_GE government_NN1 has_VHZ been_VBN at_II pains_NN2 to_TO commemorate_VVI the_AT wider_JJR context_NN1 of_IO reforms_NN2 ,_, mass_JJ protests_NN2 and_CC democratic_JJ revolutions_NN2 across_II Eastern_JJ Europe_NP1 in_II 1989_MC ._. 
Mr._NNB Walesa_NP1 and_CC former_DA Hungarian_JJ Communist_JJ reformer_NN1 Miklos_NP1 Nemeth_NP1 were_VBDR due_JJ to_TO tip_VVI over_II the_AT first_MD of_IO the_AT decorative_JJ dominoes_NN2 on_II Monday_NPD1 night_NNT1 ._. 
Solidarity_NN1 led_VVD the_AT first_MD non-purely_RR Communist_JJ government_NN1 in_II the_AT Soviet_JJ bloc_NN1 following_VVG its_APPGE victory_NN1 in_II June_NPM1 1989_MC elections_NN2 ._. 
Mr._NNB Nemeth_NP1 ,_, as_CSA Hungarian_JJ prime_JJ minister_NN1 ,_, opened_VVD his_APPGE country_NN1 's_GE border_NN1 with_IW Austria_NP1 in_II May_NPM1 1989_MC ,_, a_AT1 move_NN1 that_CST allowed_VVD thousands_NNO2 of_IO East_NP1 Germans_NN2 to_TO flee_VVI to_II the_AT West_ND1 and_CC set_VVD off_RP the_AT unraveling_NN1 of_IO the_AT Iron_NN1 Curtain_NN1 that_CST had_VHD divided_VVN Cold_JJ War_NN1 Europe_NP1 ._. 
Two_MC decades_NNT2 after_II Berlin_NP1 's_GE and_CC Europe_NP1 's_GE division_NN1 ended_VVD ,_, building_VVG prosperous_JJ market_NN1 economies_NN2 in_II former_DA Communist_JJ countries_NN2 has_VHZ proved_VVN more_RGR difficult_JJ than_CSN expected_JJ ._. 
A_AT1 significant_JJ number_NN1 of_IO those_DD2 who_PNQS live_VV0 in_II Germany_NP1 's_GE east_ND1 have_VH0 become_VVN disaffected_JJ with_IW capitalism_NN1 and_CC say_VV0 they_PPHS2 miss_VV0 the_AT relative_JJ stability_NN1 of_IO the_AT old_JJ days_NNT2 ._. 
Monday_NPD1 was_VBDZ a_AT1 day_NNT1 for_IF celebrating_VVG the_AT end_NN1 of_IO an_AT1 oppressive_JJ bulwark_NN1 ,_, however_RR ._. 
Many_DA2 attended_JJ concerts_NN2 at_II the_AT Brandenburg_NP1 Gate_NN1 ,_, the_AT site_NN1 of_IO President_NNB Ronald_NP1 Reagan_NP1 's_GE 1987_MC speech_NN1 in_II which_DDQ he_PPHS1 called_VVD on_II Mr._NNB Gorbachev_NP1 to_TO "_" tear_VVI down_RP this_DD1 wall_NN1 ._. "_" 
Eberhard_NP1 Steffen_NP1 ,_, a_AT1 retiree_NN1 who_PNQS lived_VVD in_II former_DA West_NP1 Berlin_NP1 during_II the_AT Cold_JJ War_NN1 ,_, said_VVD he_PPHS1 can_VM remember_VVI the_AT traumatic_JJ day_NNT1 the_AT Wall_NN1 went_VVD up_RP in_II 1961_MC ,_, and_CC listening_VVG to_II U.S._NP1 President_NNB John_NP1 F._NP1 Kennedy_NP1 declare_VV0 "_" Ich_FW bin_VV0 ein_FW Berliner_NN1 "_" in_II the_AT city_NN1 shortly_RR afterwards_RT ._. 
Mr._NNB Steffen_NP1 always_RR believed_VVD the_AT Wall_NN1 would_VM come_VVI down_RP one_MC1 day_NNT1 ,_, he_PPHS1 says_VVZ ._. 
When_CS it_PPH1 finally_RR happened_VVD ,_, "_" it_PPH1 was_VBDZ the_AT greatest_JJT time_NNT1 that_CST I_PPIS1 have_VH0 ever_RR experienced_VVN ,_, "_" he_PPHS1 said_VVD ._. 
