NET4GAS, the operator of the Czech Republic's gas pipeline system, has invested nearly CZK 10 billion (EUR 400 million) in the project. The construction of the Gazelle gas pipeline began in October 2011. The works were carried out by Denys-Alpin, a Belgian-Austrian consortium, Czech company Plynostav and Russia's Strojtransgaz. | Foto: Ludvík Hradilek