 Over the last two decades, it has completed dozens of challenging relocations of structures which include several ancient and medieval monuments and heavy structures such as an 1800-tonne 3-storey stone building of the Hellenic Railways Organization.Vehicles developed include a 1000cc motorcycle (1989), a series of cars (P1 to P4, since 2002) featuring Korres's patented suspension system, combining high performance with extreme off-road capabilities, and D3, a city car design for disabled drivers, proposed in 2012.Korres P4 (or Project 4), the final/production version of the aforementioned series, was introduced in 2013.