81.  Under normal conditions and in a natural state, the yellowish colouring that you see is the natural penetration of the thick yellow dentine into the white enamel.

82.  France intended to demolish all these structures in a bid to return the atoll to its natural state, he said.

83.  Both sites will be returned to their natural states after the Olympics.

84.  The most likely option however, whether because of radioactivity or expense, appears to be that both atolls will be left to revert to their natural state.