tropenhaus, tropical mountain forest or tropischer bergwald - botanical garden of the university of zurich or botanischer garten

background beautiful beauty bergwald 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 mountain natural nature outdoor outdoors outside palm park plant pond royal scenery scenic sky skyline south summer switzerland tourism tourist travel tree trees tropenhaus tropical tropischer universitaet university urban view water zuerich zurich