Christophe Dubi, the IOC executive director for the Olympic Games, claimed the first South Americans has changed the lives of local people through improved "transportation, telecommunications and security". 

Brazilian President Michel Temer, however, has ordered troops to take permanent control of public security in Rio de Janeiro State, marking the first such intervention since democracy returned to the country after military rule in the 1980s.

Temer signed the decree on Friday (February 16) that will be in place until the end of the year and it called it an "extreme measure".

He claimed organised crime that had taken over Rio de Janeiro 

Dubi, though, remains concerned with finding a solution to the temporary facilties. 

"The situation is the same as it was, which is a very well planned legacy that did not materialise in full," he said during a press conference to mark the halfway point of Pyeongchang 2018.

"Once more, these Games were designed with two distinct features, one was the legacy for the city and functioning for the city, and this is in full play and it has transformed the lives of the Cariocas. 

"Transportation, telecommunication, security around the city have improved with a number of new cameras and so on and so forth. 

"There are new command centres and that is working.

"Then the sporting legacy was always designed to have those venues absolutely necessary for legacy purpose, where they had a home for the development of athletes, or community use, and dismantable venues, including in the [Olympic] Park, the handball, which was to become for schools, or the swimming pool, that was to be dismantled."

The main Aquatics Center in the Barra de Tijuca Olympic Park and the nearby Future Arena where handball, volleyball and goalball took place are among temporary venues still standing.

It is unlikely that City authorities will find funds to remove them soon, given their crippling financial problems.

Dubi claimed that the dismantling has not happened because the political landscape and social and economical situation have "evolved". 

"Today you have a situation whereby you have a very successful legacy when it comes to the city functioning, and you have a legacy that is still not perfect when it comes to the venues that need to be dismantled," he added.

"They need to be dismantled. 

"These are not venues designed and built to last. 

"And until this is being done, we will have that problem of the image, especially in the Park, and I fully trust that the city will do the right thing. 

"And the Government the right thing, at some point in time, to dismantle those venues that are made to be dismantled."