irmingham , ▁Alabama : ▁In ▁honor ▁of ▁President ▁Carter ' s ▁ 8 6 th ▁birth day , ▁volunte ers ▁built ▁and ▁re hab bed ▁ 8 6 ▁homes ▁in ▁four ▁locations ▁in ▁ 2 0 1 0 . ▁Among ▁the ▁volunte ers ▁was ▁President ▁Carter ' s ▁former ▁vice ▁president , ▁Walter ▁Mond ale , ▁who ▁joined ▁him ▁in ▁Minnesota . ▁The ▁President ▁also ▁joined ▁the ▁Bl ind ▁Boys ▁of ▁Alabama ▁on stage ▁at ▁the ▁opening ▁ceremony ▁on ▁World ▁Hab itat ▁Day ▁to ▁sing ▁" If ▁I ▁Had ▁a ▁Ham mer ." ▁▁ 2 0 1 1 ▁Lé og â ne , ▁H ait i : ▁ ▁Following ▁the ▁dev ast ating ▁ 2 0 1 0 ▁earth qu ake , ▁the ▁Car ters ▁committed ▁to ▁two ▁consecutive ▁projects ▁in ▁H ait i , ▁a ▁country ▁that ▁even ▁before ▁the ▁earth qu ake ▁was ▁the ▁poor est ▁in ▁the ▁Western ▁hem is phere . ▁Famil ies ▁had ▁been ▁living ▁in ▁fl ims y ▁sh el ters ▁in ▁a ▁sugar ▁can e ▁field ▁in ▁st if ling ▁heat , ▁and ▁were ▁excited ▁as ▁their ▁simple , ▁st ur dy ▁new ▁homes ▁went ▁up . ▁Vol unte ers ▁stayed ▁at ▁a ▁camp ▁called ▁Christian ville ▁and ▁were ▁joined ▁by ▁country ▁stars ▁Gar th ▁Bro oks ▁and ▁Tr ish a ▁Year wood , ▁who ▁not ▁only ▁sw ung ▁h amm ers ▁but ▁also ▁ent ert ained ▁the ▁volunte ers . ▁At ▁a ▁V eter ans ▁Day ▁ceremony ▁on ▁the ▁site , ▁President ▁Carter , ▁a