I (author) give only to those set out in the pictures, a license copy and redistribute the material in any medium or format the following conditions: You must give appropriate credit. Examples: Photo: Michael Kalet or [email protected] or © Michal Kalet or michal.kalet.pl, as a link (redirecting to web page: michal.kalet.pl) or as text in a common format. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. You may not use the material for commercial purposes. If you remix, transform, or build upon the material, you may not distribute the modified material. You may not apply legal terms or technological measures that legally restrict others from doing anything the license permits.