28-year-old – Busty German glamour model Martina Big claims her size 32 S breasts are the biggest in Europe – has had tanning injections to turn her white Caucasian skin a deep shade of mahogany brown.And she has no plans of curbing her tanning addiction – Martina says that she wants even more of the melanin increasing injections and admits that she is still using a 50-tube sunbed in her home in Trier, Germany.