The kind of soil in this location is it -sandy soil or -silty or both or another kind of soil or limestone and some picture
and what the best foundation for this site and why
this website could help:
https://www.researchgate.net/publication/313089669_Three-dimensional_geotechnical_modeling_of_the_soils_in
the site next to the rock park an empty site
https://www.google.com/maps/place/Rock+Park/@24.6751144,46.6274236,840m/data=!3m1!1e3!4m5!3m4!1s0x3
in the picture below you can see where is the site exactly