The National Gallery has announced that six prominent architectural firms have been selected for the shortlist to design a significant new wing for the prestigious London museum. This ambitious expansion project represents a major step forward in the gallery's plans to broaden its artistic scope and compete more directly with other leading art institutions.

In a bold strategic move that will directly challenge the Tate's traditional dominance in modern art, the National Gallery plans to exhibit works from the 20th and 21st centuries for the first time in its history. This represents a dramatic departure from the gallery's long-standing focus on classical and historical artworks, signaling a new era for the institution.

The metaphorical reference to "parking its tanks on the lawns of the Tate" suggests that the National Gallery is preparing for serious competition with the Tate galleries, which have long been London's premier destination for modern and contemporary art. This expansion into modern art territory marks a significant shift in the London art scene's competitive landscape.

The selection of six architects for the shortlist indicates the importance and scale of this project, though the specific names of the architectural firms and detailed timeline for the project have not yet been disclosed. The new wing will need to accommodate the gallery's expanded mission while maintaining harmony with the existing neoclassical architecture of the main building on Trafalgar Square.