President Lula Da Silva surprised the world, when despite having a left-wing background plus having been a co-founder along with Fidel Castro of the anti-American Foro de Sao Paulo, appointed conservative figures to his cabinet.

CENTERFORSECURITYPOLICY: A closer look at Brazil's foreign policy

There are currently some 15 authenticated Leonardo da Vinci paintings in the world.

CNN: Are there more lost Leonardo paintings out there?

The samples of Mosquera and Garcia Da Pena were tested at a World Anti-Doping Agency (Wada) accredited laboratory in Cologne.

BBC: La Vuelta runner-up Ezequiel Mosquera fails drugs test