Kew Gardens - Temperate House

Kew Gardens - Temperate House. The world's largest indoor plant is the Chilean wine-palm. It was grown from seed in 1846 and is now 52 feet high. (Left side of picture)

Kew Gardens - Rhizotron and Xstrata Treetop Walkway. The treetop walkway opened on May 24, 2008. This walkway is 59 ft high and 660 ft long.