29-year-old Mehr Pastakia already had a degree in horticulture but started her rooftop garden company while studying at Johns Hopkins Carey Business School, Baltimore.

29岁的梅尔·帕斯塔基已经取得了园艺学学位，但她在巴尔的摩约翰霍普金斯大学商学院就读时创办了自己的屋顶花园公司。