ANSWER-

the connect is DAKAR rally. red indicates the countries which it has passed thru in its history, orange shows the countries only during 1992 wen it went uptil capetown. this yrs event in january was cancelled due to a terrorist threat in africa. the organisers have announced that next yrs rally wil be held in S.America , passing thru argentina nd chile ..i thot the countries highlighted wud hav helped.