tropenhaus, trockengebiete - botanical garden of the university of zurich or botanischer garten der universitaet zuerich

background beautiful beauty bloom blossom blue botanic botanical botanischer botany city cityscape closeup color colorful culture der flora floral flower forest garden gardens garten gazebo grass green horticulture landmark landscape lowland natural nature outdoor outdoors outside palm park plant pond royal scenery scenic sky skyline south summer switzerland tiefland tourism tourist travel tree trees trockengebiete tropenhaus tropical universitaet university urban view wald water zuerich zurich