New LEGO Sets Let You Recreate the Iconic Skylines of San Francisco and Paris

In 2016, LEGO began releasing architecture-themed sets that let toy-loving designers recreate the world’s most famous skylines in their own homes, beginning with re-creations of New York, Venice, and Berlin. And now, the company is adding Paris and San Francisco to the mix, according to Archinect.

The new LEGO Architecture kit for Paris will feature the Eiffel Tower and Arc de Triomphe (both already available as stand-alone skyscraper kits) as well as the Louvre, the Tour Montparnasse, and other famous buildings. The LEGO San Francisco kit features the Golden Gate Bridge, the Transamerica Pyramid, Coit Tower, 555 California (formerly the Bank of America Center), Alcatraz Island, and the new Salesforce Tower, which recently became the city’s tallest building.

LEGO sets of the Paris and San Francisco skylines
LEGO

No doubt residents of both cities will have some gripes about which buildings were included and which were nixed from the kits. The Tour Montparnasse, in particular, was so deeply loathed upon its completion in the 1970s that the city of Paris promptly imposed a strict height restriction on buildings taller than 11 stories. Meanwhile, many San Francisco residents are still adjusting to the sight of the Salesforce Tower, which opened in 2018—it has been called “an atrocious spectacle,” its height described as “really offensive.”

You can check out all the kits from LEGO’s Architecture line here. Keep an eye out for the San Francisco and Paris versions starting early next year.

[h/t Architect]

Shanghai Is Now Home to the World’s Longest 3D-Printed Bridge

World's largest 3D-printed bridge in Shanghai, China.
World's largest 3D-printed bridge in Shanghai, China.
Tsinghua University

Small items like toys and shoes aren't the only things 3D printers can make. As a team of architects from China's Tsinghua University School of Architecture recently demonstrated, the machines can be used to print sturdy bridges large enough to span waterways.

As dezeen reports, at 86 feet in length, the new pedestrian bridge on a canal in Shanghai's Baoshan District is the longest 3D-printed bridge on Earth. Designed by the university's Zoina Land Joint Research Center for Digital Architecture (JCDA) and constructed by Shanghai Wisdom Bay Investment Management Company, it consists of 176 concrete units. The parts were printed from two robotic-arm 3D-printing systems over 19 days.

The 3D-printing technology cut down on costs as well as construction time. According to Tsinghua University, the project cost just two-thirds of what it would have using conventional materials and engineering methods.

Even though their approach was futuristic, the architecture team paid homage to a much older bridge in a different part of the country. The new bridge's arched structure is inspired by that of the 1400-year-old Anji Bridge in Zhaoxian, the oldest standing bridge in China (and the world's oldest open-spandrel arch bridge).

The bridge in Shanghai may be the longest 3D-printed bridge in the world, but it isn't the first. Last year, a 3D-printed steel bridge was unveiled in Amsterdam.

[h/t dezeen]

A Clue on the Ceiling of Grand Central Terminal Shows How Dirty It Was 30 Years Ago

iStock.com/undercrimson
iStock.com/undercrimson

The mural above the concourse at Grand Central Terminal is one of the most gawked-at ceilings in New York City, but even daily commuters may have missed a peculiar feature. Tucked at the edge of the green and gold constellations is a rectangular black mark. The apparent blemish didn't get there by mistake: As Gothamist explains in its new series WHY?, it was left there by restorers when the ceiling was cleaned more than 20 years ago.

Prior to the Metropolitan Transportation Authority's renovation of Grand Central in the 1990s, the concourse was a lot dirtier. The station itself was constructed in Manhattan in the early 1900s, and the celestial scene that's on the ceiling today was painted there in the 1940s. It took only a few decades for tobacco smoke and other pollutants to stain the mural so badly that it needed to be restored.

Using Simple Green-brand cleaning solution and cotton rags, conservators spent two years scrubbing nearly every inch of the ceiling back to its former glory; the one part they skipped was a 9-inch-by-18-inch patch in the northwest corner. Sometimes, when doing a major cleaning project, preservationists will leave a small sample of the art or artifact untouched. If the cleaning products did any damage to the paint, the patch gives future preservationists something to compare it to. It also acts as a snapshot of what the mural looked like in its old condition.

To hear more about the mural and its dirty secret, watch the video from Gothamist below.

[h/t Gothamist]

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