Grand Staircase of the RMS Titanic the "Olympic", whose B-Deck aft foyer was much smaller because of additional cabins and storage rooms. There was no reception area on the "Olympic" until the 1913 refit, which expanded the restaurant and added a reception area in emulation of "Titanic". On "Titanic" two additional en-suite staterooms were installed off of the A-Deck aft staircase, decreasing the size of the surrounding foyer in comparison to "Olympic". When Robert Ballard discovered the wreck of the "Titanic" in 1985, he found only a gaping well in the place that the Staircase had once occupied. The deck house that once formed the Boat
Wreck of the RMS Titanic over the wreck site, and the "Remora" ROV was caught in a piece of wreckage. This same year saw the discovery of the new bacteria living in the rusticles on the "Titanic", "Halomonas titanicae". Tourist and scientific visits to "Titanic" are still continuing; by April 2012, 100 years since the disaster and nearly 25 since the discovery of the wreck, around 140 people had visited. On 14 April 2012 (the 100th anniversary of the ship's sinking), the wreck of the "Titanic" became eligible for protection under the 2001 UNESCO Convention on the Protection of Underwater Cultural Heritage. In the same