Fig. 1From: Complementary considerations in the safety case for the deep repository at Olkiluoto, Finland: support from natural analoguesKBS-3 V Repository overview at Olkiluoto, Finland, showing access tunnel and shafts to the repository level and a close-up index figure of the backfilled deposition tunnel and vertical deposition holes containing copper-iron canister surrounded by bentonite buffer (Figure courtesy of Posiva Oy). See also Alexander and Milodowski (2014)Back to article page