The image shows the inside of a hollow tree trunk looking up towards the sky, with green leaves and a bright blue sky visible above.
Liquidambar styraciflua or sweetgum
Fagus sylvatica or common beech
Magnolia obovata or big-leaf magnolia
Picus tomograph (internal inspection assessment) equipment on Quercus robur or common oak
Meripilus giganteus or giant polypore
Tree survey using diameter tape
Young female cones on Larix decidua var. polonica or Polish larch
Veteran Tilia cordata or small-leaf lime
Young female catkins on Betula chichibuensis or Chichibu birch
Robinia pseudoacacia or false acacia flowering in late spring in Toyama Prefecture, Japan
Taxus cuspidata or Japanese yew, shaped using traditional niwaki pruning techniques, with its crown formed into distinctive rounded foliage pads beside a traditional Japanese house.
Moss covered roots of Abies veitchii or Veitch's fir spreading over a large boulder on the forest floor at Shirakomaike Pond, Nagano Prefecture, Japan
Pinus radiata or Monterey pine
Ben Jones with a single leaf of Aesculus turbinata or Japanese horse chestnut