Foundation stone and time capsule (Photo by Péter Sorok)

Lajos Erdélyi, head of Aquamarine Project, the moderator of the event (Photo by Péter Sorok)

Ákos Kriston, Chairman and CEO of Hungarian Gas Storage Ltd. (Photo by Péter Sorok)

Szabolcs I. Ferencz, Chairman and CEO of the Natural Gas Transmission Company (Photo by Péter Sorok)

Zsolt Bertalan, Chief Technology Innovation Officer at MVM Group (Photo by Péter Sorok)

Prof. dr. László Palkovics, Minister of Innovation and Technology (Photo by Péter Sorok)

Placing the time capsule (Photo by Péter Sorok)

Dr. Zoltán Káldi, Supervisory Authority for Regulated Activities, National Mining Inspector

Ákos Kriston, Hungarian Gas Storage Ltd, Chairman and CEO

Zsolt Bertalan, MVM Ltd, Chief Technology Innovation Officer

Prof. dr. László Palkovics, Minister of Innovation and Technology Minister

Laying the foundation stone (Photo by Péter Sorok)