▁Airport , ▁Hamburg ▁Airport , ▁Sydney ▁Airport , ▁Budapest ▁Airport ▁and ▁R inas ▁Mother ▁Ter esa ▁Airport ▁( T ir ana ). ▁ ▁Tim eline ▁of ▁notable ▁construction ▁projects ▁ 1 9 2 7 - 1 9 3 2 : ▁Z oll verein ▁col li ery ▁( Sh aft ▁XII ), ▁Ess en ▁ 1 9 2 8 - 1 9 2 9 : ▁E ch els bach ▁Bridge , ▁near ▁E ch els bach , ▁Bav aria ▁ 1 9 2 9 - 1 9 3 1 : ▁Schl uch see ▁Dam , ▁Schl uch see , ▁Black ▁Forest ▁ 1 9 3 0 - 1 9 3 4 : ▁Albert ▁Canal , ▁Belg ium ▁ 1 9 3 8 - 1 9 4 5 : ▁Project s ▁included ▁the ▁West wall ▁and ▁Atlantic ▁Wall ▁def enses , ▁and ▁Hitler ' s ▁Berg hof , ▁Wolf ' s ▁La ir ▁and ▁F ühr erb unker ▁▁ 1 9 4 6 - 1 9 4 9 : ▁Bonn ▁University ▁Hospital , ▁Bonn ▁ 1 9 5 2 - 1 9 5 6 : ▁S ari yar ▁H ydro elect ric ▁plant , ▁An k ara , ▁Turkey ▁ 1 9 5 8 - 1 9 6 1 : ▁K ahl ▁N uc lear ▁Power ▁Plant , ▁Det ting en ▁am ▁Main ▁ 1 9 6 0 - 1 9 6 9 : ▁Hern and arias ▁Sub fl uv ial ▁T unnel , ▁Argentina ▁ 1 9 6 1 - 1 9 6 3