500 000 Légifotó Magyarországról. Légifelvételek repülőgéppel, helikopterrel, air robot technikával.
1876.Margaret Bridge, Budapest. It was designed by French engineer Ernest Goüin and built by the construction company Maison Ernest Goüin et Cie. between 1872 and 1876, the engineer in charge being Émile Nouguier. Margaret Bridge was the second permanent bridge in Budapest after Széchenyi Chain Bridge.