Patrick Blanc in front of the waterfall whose vertical rocks permanently sprayed by water are totally covered by plants, Thac Tinh Yeu, Sapa, Vietnam, Nov. 2017
Patrick Blanc observing a small Elatostema growing on mossy rocks, Thac Tinh Yeu, Sapa, Vietnam, Nov. 2017
Patrick Blanc in front of a small shaded waterfall whose rocks are covered by the rheophytic Acorus gramineus, Thac Tinh Yeu, Sapa, Vietnam, Nov. 2017
Patrick Blanc totally wet but happy to have reached a small shaded waterfall whose rocks are covered by the rheophytic Acorus gramineus, Thac Tinh Yeu, Sapa, Vietnam, Nov. 2017
Patrick Blanc climbing on the slippery rocks to reach a small shaded waterfall whose rocks are covered by the rheophytic Acorus gramineus, Thac Tinh Yeu, Sapa, Vietnam, Nov. 2017
Patrick Blanc looking at a bright silver spotted form of Begonia hemsleyana in forest understory, Nam Cang, Sapa, Vietnam, Nov. 2017
Patrick Blanc sitting alongside a bright silver spotted form of Begonia hemsleyana in forest understory, Nam Cang, Sapa, Vietnam, Nov. 2017