ey ▁by ▁the ▁N order ney er ▁Se eg att . ▁ ▁Over view ▁and ▁ge ography ▁ ▁The ▁tall est ▁buildings ▁on ▁Ju ist ▁that ▁can ▁be ▁seen ▁from ▁the ▁North ▁Sea ▁are ▁the ▁water ▁tower ▁and ▁an ▁old ▁hotel . ▁There ▁is ▁a ▁l ighth ouse ▁on ▁the ▁island , ▁but ▁it ▁is ▁not ▁in ▁use . ▁At ▁the ▁western ▁end ▁of ▁the ▁island ▁is ▁the ▁Bill ree f , ▁a ▁large ▁sand bank ▁where ▁birds ▁such ▁as ▁d un l ins , ▁grey ▁p lo vers ▁and ▁kn ots ▁rest ▁during ▁their ▁migration . ▁In ▁the ▁western ▁part ▁of ▁the ▁island ▁the ▁beach ▁and ▁the ▁d unes ▁are ▁er oded ▁by ▁the ▁sea . ▁The ▁edge ▁of ▁the ▁d unes ▁moves ▁about ▁five ▁metres ▁south ▁each ▁winter . ▁On ▁the ▁western ▁third ▁of ▁the ▁island ▁is ▁Lake ▁Ham mer see , ▁a ▁fresh water ▁lake . ▁ ▁Ju ist ▁is ▁accessible ▁by ▁plane ▁or ▁daily ▁fer ry . ▁F L N ▁F ris ia ▁Luft verkehr ▁oper ates ▁plan es ▁between ▁Norden ▁and ▁Ju ist . ▁Most ▁motor ▁vehicles ▁are ▁prohib ited ▁on ▁the ▁island , ▁with ▁only ▁the ▁fire ▁department , ▁the ▁German ▁Red ▁Cross ▁and ▁do ctors ▁allowed ▁to ▁use ▁them . ▁Island ▁tra ctors ▁require ▁a ▁special ▁license , ▁while ▁most ▁other ▁transport ▁is ▁done ▁by ▁bi ke ▁or ▁horse - dra wn ▁carriage . ▁It ▁was ▁reported ▁by ▁the ▁Re ut ers ▁news ▁ag ency , ▁ 2 4 ▁September ▁ 2 0 1 4 ,