It is expected to reveal the less salubrious parts of Roman London outside of the City walls with archaeologists anticipating to encounter Roman timber-framed buildings and a street surface 6m below ground level.

BBC: Crossrail dig unearths forgotten London

The Ministry of Defence is guarding the games with two warships, Typhoon jet fighters, Puma helicopters, and, perhaps most controversially, surface-to-air missiles placed on apartment buildings near the stadium, despite objections from residents.

CNN: First 2012 Olympics contests kick off

Many of them question whether cultural phenomena, including destruction layers, cultural-piercing features (man-made structures displaced by surface rupturing, e.g. viaducts), structural damage to buildings, indications of repairs, historical accounts and myths can be reliably used as earthquake indicators.

UNESCO: Tales set in Stone: learning from ancient earthquakes

But analysts think they may only be scratching the surface, given the enormous business opportunities associated with road improvements, new bridges and modern buildings around the world, particularly in Asia.

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