Work to construct the beach volleyball venue for this year's Olympic Games in Rio de Janeiro has begun on the famous Copacabana sands.

A new subway line in Rio de Janeiro - billed as one of the major legacy projects of this year's Olympics - will only open four days before the Games begin.

Olympic gold medalist Park Tae-hwan has filed an appeal with the Court for Arbitration of Sport (CAS) over a decision by South Korea to debar him from Rio 2016 following the completion of an 18-month doping suspension.

One more sport saw its Rio 2016 home declared ready for action on Wednesday, as the Boxing Arena was handed over to the local Organising Committee. Located within the Rio Centro Convention Centre Pavilion 6, in Barra da Tijuca, the 7,500m2 Boxing Arena is expected to play host to 5,500 fans per event.

When we talk about the high performance system that underpins elite sport, there can often be misinterpretation around what this means.