Suspected of paying bribes to secure overseas contracts, three directors of the U.K. subsidiary of France’s power-equipment and rolling-stock maker Alstom S.A., Paris, have been arrested by the British Serious Fraud Office. Money laundering and other offences also are alleged. Arrests followed dawn raids on five Alstom offices and four homes across the country on March 24. Swiss police are involved in the investigation.
Arch dams, classically curved monoliths situated in narrow valleys, are not as common as other types of dams, such as embankment dams and gravity dams. ENR takes a look at some of the biggest arch dams in the world, both completed and under construction.