This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Le grand ballon captif. Opration du gonflement. Installation of the hot air balloon at the Paris World Fair fard who was at the origin of the project was French engineer who created few models of balloons and who also managed to create navigable ones The hot air balloon was located in the Tuileries For fee visitors could enter