英文關鍵字
waterfall
pond
german
germany
green
greenhouse
inside
largest
leaf
main
nature
palm
palmengarten
park
plant
production
studies
subtropical
tree
garden
frankfurt
forest
flower
architecture
attraction
beautiful
biology
botanic
botanical
floral
university
exhibits
farn
exibit
building
europe
ecology
chrysanthemum
climatized
department
flora
tropical
exhibition
exotic
cactus