They followed the famous Tian Shan mountain range, crossed the Pamirs and the Hindu Kush, then reached the Caspian Sea by way of the Caucasus. Within the allotted year and a half, the expedition planned to pass through 15 countries.
他們沿著著名的天山山脈、穿越帕米爾高原、興都庫什山，再由高加索地區抵達裡海，在預計一年半的時間內，探險隊要穿越十五個國家。