瑞士国家博物馆
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苏黎世国家博物馆的扩建项目于2016年7月举行了开幕庆典，这一项目是对由建筑师古斯塔夫·古尔设计的1898年原始博物馆建筑的补充。新的翼楼位于毗邻普拉茨皮茨公园的一侧。新旧建筑直接相连，形成了一个建筑和城市的整体。历史和现代建筑元素成功地相互对立。新建筑直接将一些背景现有特征纳入其建筑之中。建筑的布局容纳了历史公园的树木和路径，而旧建筑的特征屋顶则为新结构的体积主题。屋顶上的表现折叠可以被理解为对古尔表现历史主义的当代诠释。新的建筑因此是与旧的密不可分的，但却是明显现代的。
从建筑学的角度来看，这个整体由两个非常不同的方面组成：优雅的历史老建筑设计成一个开放的U形，和新翼的雕塑性特征，闭合了现有的建筑群，从而实现了穿越新旧两部分的连续移动。新翼包括灵活的展览空间、图书馆和宽敞的公共活动大厅。新建筑的中心图案是桥梁。它横跨一个宽阔的空间，设有一个水池 "景观将在五月完成"，连接新的内部庭院与公园。这座显著的桥梁进入内部，形成了通往最大展区的宏伟楼梯和礼堂的看台。
尽管新旧建筑有着很大的不同，但它们的相似之处和共享的建筑属性是非常明显的，并有助于创建新旧结合的统一体。19世纪老建筑的坚固石墙在新翼的80厘米厚墙中得到了呼应，这些墙满足了Minergie-P Eco标准的高热绝缘要求。专门为新翼开发的凝灰岩混凝土与老建筑的凝灰岩外墙相对应，而新翼的抛光混凝土地板则呈现出对老建筑装饰性水磨石地板的现代诠释。
混凝土主导了新博物馆的内部。结合天花板上故意暴露的技术元素，这创造了一种几乎工业般的氛围，结实、宽敞，对各种形式的展览和演示都是开放的。苏黎世国家博物馆的新空间被构想成博物馆工厂大厅，既保守又实验性。
新翼的建造阶段还包括了改建措施 "地震和防火" 以及根据国家遗产标准对一大部分老建筑进行了广泛的翻修。博物馆的主入口被移至老博物馆翼与临利马特河翼相接的地点，这里原来是美术学校的所在地。除了新入口外，整个游客基础设施，包括门厅、衣帽间、商店和餐厅，都进行了改造。夏季期间，餐厅和酒吧将在新设计的博物馆广场上提供露天就餐设施，为这个中心城市位置增添了新的维度和活力，就在主火车站对面。一个对公众开放的现代研究中心现在位于历史悠久的临利马特河翼的上层，博物馆的行政办公室位于老博物馆建筑的顶层。
苏黎世国家博物馆结构翻新的最后阶段尚未到来。从2017年到2020年，历史悠久的西翼和塔楼将进行翻修。到2020年，博物馆将再次完全向公众开放，开启瑞士历史博物馆呈现的新篇章。
The expansion to the National Museum Zurich, for which the opening celebration will take place in July 2016, complements the original museum building of 1898 designed by the architect Gustav Gull. The new wing is located on the side adjoining the Platzspitz Park. The old and new buildings are directly coupled to each other so as to form an architectural and urban ensemble. The historical and modern building elements successfully confront each other. The new building directly incorporates some of the context’s existing features into its architecture. The building’s layout accommodates the trees and paths of the historical park, and the characteristic roofscape of the old building sets the volumetric theme of the new structure. The expressive folds in the rooftops can be understood as a contemporary interpretation of Gull’s articulated Historicism. The new is thus inconceivable without the old, but is nonetheless unmistakably modern.
Architecturally the ensemble consists of two very different aspects: the graceful, historical old building designed in an open U shape and the sculptural character of the new wing that closes off the existing building complex thereby enabling continuous movement through both the old and new sections. The new wing includes flexible exhibition spaces, a library and a spacious auditorium for public events. The central motif of the new building is the bridge. It spans across a wide space featuring a water basin (landscaping will be completed in May) that connects the new inner courtyard with the park. The prominent bridge carries over into the interior in the form of a monumental set of stairs leading to the largest exhibition area and as a tribune in the auditorium.
As different as the new and old buildings are, their similarities and shared architectural attributes are abundantly apparent and serve to create a unity of old and new. The strong stone walls of the old 19th-century building are echoed in the new wing’s 80-centimeter thick walls, which fulfil the high thermal insulation requirements of the Minergie-P Eco standard. The tuff concrete developed especially for use in the new wing corresponds to the tuff facade of the old building, and the polished concrete floors in the new wing suggest a modern interpretation of the decorative terrazzo floors in the old building.
Concrete dominates in the interior of the new museum. Combined with the technical elements purposely left exposed on the ceilings, this creates an almost industrial-like atmosphere that is robust, spacious and open to a variety of forms of exhibition and presentation. The new spaces at the National Museum Zurich are conceived as museum factory halls – conservational and at the same time experimental.
The construction phase for the new wing also included conversion measures (earthquake and fire safety) and extensive refurbishing of a large section of the old building according to national heritage criteria. The main entrance to the museum was moved to the spot where the old museum wing meets the wing on the Limmat River side, which originally housed the school of fine arts. Along with the new entrance, the entire visitor’s infrastructure, including the foyer, cloak rooms, shop and restaurant, was remodelled. During the summer, the restaurant and bar will offer open-air dining facilities on the newly designed museum plaza, adding a new dimension and vitality to this central urban location, just opposite the main station. A modern study centre open to the public is now located on the upper levels of the historical Limmat River wing, and the museum’s administration is situated on the top floor of the old museum building.
The final phase in the structural refurbishment of the National Museum Zurich is yet to come, however. From 2017 to 2020 the historical west wing and the tower will undergo refurbishing. In 2020 the museum will once again be available to the public in its entirety, thus initiating a new chapter in the museum presentation of Switzerland’s history.