Mezue ahịrịokwu na-esonụ: Nhazi na mmepe nke ụlọ kachasị elu nke ụwa, na-ekpuchi ụlọ 1,000 m ogologo na 100 m n'obosara n'ụlọ isi n'ọnụ ụzọ dị na
World-Exposition na Shanghai, sitere na Knippers Helbig Advanced Engineering, yana nchara na iko nke ụlọ ahịa MyZeil na Frankfurt na Main na mkpuchi ụlọ nke ụlọ ahịa Westfield dị nso na London.