derivative work:
User:Maps and stuff (cropped to 2:3 ratio, removing some of the excess sky and foreground, and increasing the relative size of hikers along cable in thumbnail versions; saved as a high quality JPG)
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the
same or compatible license as the original.