The city of Yokohama is home to a major international seaport, one of the busiest since 1859. Located close to its pier is the customs headquarters, an unusual historic building one might expect to find in Morocco rather than in Japan. Constructed in 1934, the Yokohama Customs headquarters is nicknamed “the Queen’s Tower” for its turquoise-domed minaret, and the rest of the building matches its style, with Moorish battlements and arched windows, partially inspired by ancient Indian architecture. There are also elements of Romanesque architecture here and there, creating an…