Madrid–Barcelona high-speed rail line of the AVE tunnel near Barcelona, a number of nearby buildings suffered damage from a sinkhole that appeared near a commuter rail station, damaging one of its platforms. The construction committee of Barcelona's famed Sagrada Familia church lobbied for a re-routing of the tunnel - it passes within metres of the massive church's foundations. It also passes equally near the UNESCO-recognized Casa Milà also designed by Antoni Gaudí. Furthermore, until 2005 both Siemens and Talgo/Bombardier train sets failed to meet scheduled speed targets, although in a test run during the homologation tests of the new S102 trains of RENFE, a
Biomimetic architecture elements as inspiration in design, originated possibly with the beginning of man-made environments and remains present today. The ancient Greeks and Romans incorporated natural motifs into design such as the tree-inspired columns. Late Antique and Byzantine arabesque tendrils are stylized versions of the acanthus plant. Varro’s Aviary at Casinum from 64 BC reconstructed a world in miniature. A pond surrounded a domed structure at one end that held a variety of birds. A stone colonnaded portico had intermediate columns of living trees. The Sagrada Família church by Antoni Gaudi begun in 1882 is a well-known example of using nature’s functional