Spain

Some bikemakers die. Others refuse to stay dead. Bultaco belongs firmly in the latter camp. The Spanish marque disappeared from the industry decades ago, but now, after years of fits, false starts and attempts to resurrect the badge, it's back!

If you're in the market for a V-twin cruiser with AMT, you’d barely get any options. The closest mainstream offering is Honda's Rebel 1100 DCT, which starts at around US$10,400 – but even that doesn't come with a V-twin. Enter the Rieju Coaster 407.

Almost a century and a half after construction began on La Sagrada Familia, the exterior structure of the tallest church in the world was finally completed last Friday in Barcelona, Spain. Its tallest tower has reached its maximum height of 566 ft.

BIG has revealed plans for a new culinary center in Spain. Hosting food start-ups, researchers and chefs under one greenery covered roof, it will encourage visitors to enjoy a stroll on top, or go inside and watch the research being carried out.

Grafton Architects has won the Mies van der Rohe Award for its London-based Town House university building. The firm was recognized alongside Lacol, which won the Emerging Architecture prize for its La Borda Cooperative Housing in Barcelona.

BIG has revealed plans for an ambitiously sustainable new scientific research center in Spain. Drawing inspiration from Seville's shaded plazas, it will provide respite from the Spanish heat with a "cloud" of solar panel-covered canopies.

Back in January, China's EHang aced the first flight in the US of its two-seat autonomous air taxi. Now the company has agreed to develop the first Urban Air Mobility pilot program in Seville, Spain.

After 136 years of unlicensed construction, the law has finally caught up with La Sagrada Familia. The church’s trustees have now reached an agreement with the city of Barcelona that involves €36 million (US$41 million) in payments in return for the church’s first official building permit. ​

If trolls really did live under bridges, they could do worse than commission Fernando Abellanas to build them a new home. The self-taught designer recently installed a novel shelter under an anonymous traffic bridge in Valencia that includes shelving, seating, and even a sleeping space.

Aqualia and SEAT are teaming up to develop a sustainable fuel from wastewater. The project, known as Life Metha-morphosis, is aimed at creating a biofuel from treated organic waste, which can then be used to power CNG cars, whose CO2 emissions would be cut by up to 80 percent.

The Institute of Advanced Architecture of Catalonia has designed the world's first 3D-printed pedestrian bridge. Installed in the urban park of Castilla-La Mancha in Madrid and made up of eight separate 3D-printed parts, the bridge spans 40 ft (12 m) and measures 5.7 ft (1.75 m) wide.​

House on the Cliff is a cave house like no other. The recently-completed Spanish home features a zinc tiled roof that lends the appearance of a dragon looking out to sea.