Entering Johor Bahru from Singapore involves travelling across the Causeway which links the two cities. Completed in 1924 after four years' work, the Causeway is 1,056 metres long and extends to a depth of 23 metres below the water level. In January 1942, the British Army demolished part of its as invading Japanese forces prepare to attack Singapore from the north.

The Japanese soon effected repairs and the Causeway resumed its role as an important road, railway and general communications link. The crossing includes a pedestrian walkway for the energetic. Singapore gets a good deal of water supply from large water pipes which have been laid across the Causeway from Johor.

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A hypnotist cannot just order a hypnotized subject to forget selectively what happened before the hypnosis, when he or she met the hypnotist.