All media, such as photos, buttons, videos, audios, 
etc. are licensed and approved according to their 
respective origin and license requirements.
For reasons of data protection, the sources are not published
here but they are always kept available
after the applicant has been identified. Applicant 
can be any person who can assert personal
or legal grounds and makes them credible.
All data protection requirements are taken
into account and will be safeguarded.