Natalie Schachar

The whis­tled speech com­pris­es sev­en tones and can be un­der­stood at dis­tances of up to one kilo­me­tre away.

Af­ter a train dis­as­ter in 2012, Ar­genti­na plans to ren­o­vate its rail­way sys­tem by the time elec­tions roll around.