Senator Jim DeMint of South Carolina complains that the deal "raises the death tax" (in fact it would reinstate the estate tax, suspended in 2010 only, at a lower level than planned).

The Langkawi sky-bridge in Malaysia is suspended at 700 metres above sea level and spans 125 across the mountains, offering magnificent views of the Andaman Sea and Thailand’s Tarutao Island.

The suspended tube 'hovering' over the wharf, creates space at the wharf level to move around and experience the edge; where the vessels meet the water.