Masha Gerasimova had a decision to make – lose her job, or join the rest of her colleagues on a team-building exercise in the Siberian taiga. Reluctantly, Gerasimova swapped her clutch bag for a backpack, her miniskirt for jeans, and replaced her make-up with mosquito repellent. But leaving her high-heels behind would have been a step too far – her Manolos accompanied her on her trek to Lake Baikal, taking up a small space in the bottom of her pack.