Cave near the south gate

Olkha ice

Mingxia cavern steps(1497)明霞洞台阶

San Giovanni cave, south entrance, Domusnovas

Grotta n.2 dei fiori (Flowers' cave #2, entrance)

Dubocka Cave

Deriner Dam - View from the left Survey Pillar of Gallery G7 on 28 April 2012

Deriner Dam - View from the Center Survey Pillar of Gallery G7 on 28 April 2012

The Powerhouse at North Bonneville

Deriner Dam seen on 17 February 2012 from upstream Foot of upstream Coffer Dam

Deriner Dam seen on 17 February 2012 from downstream Foot of upstream Coffer Dam

Deriner Dam and empty Reservoir seen from the new Artvin - Erzerum Road on 21 February 2012

Deriner Dam seen from the upstream Side within the empty Reservoir on 22 February 2012

Deriner Dam seen from within the empty Reservoir on 17 Febrary 2012

Deriner Dam during Impounding on 7 March 2012 with upstream Lake Water Level at 233.01 masl

Deriner Reservoir Right Bank with 3 Exploratory Tunnels on the left Bank on 23 June 2012 with Lake Water Level at 266.14 masl with Photographer

Deriner Dam during Impounding on 12 June 2012 with Senior Engineers and Photographer with upstream Water Level at 252.13 masl

Deriner Reservoir during Impounding on 23 June 2012 with Lake Water Surface at 266.14 masl

Deriner Reservoir during Impounding on 23 June 2012 with Lake Water Surface at 266.14 masl with Photographer

Deriner Dam seen from old Artvin - Erzurum Road on 24 March 2012 with Water Level at 235.83 masl and Photographer

Deriner Dam seen from old Artvin - Erzurum Road on 24 March 2012 with Water Level at 235.83 masl

Deriner Energy Tunnel on 19 December 2011 before final Closure with Foremen and Photographer

Deriner future Lake on 25 February 2012

Deriner empty Lake on 27 February 2012