Found this little guy yesterday, I think it's a Neoscona sp.
During night time I put this metal ring in a bath filled with water and the spider on its top, so it can't escape... Fortunately it has made its web on the ring
Its "setup":
Focused images of the spider:
During night time I put this metal ring in a bath filled with water and the spider on its top, so it can't escape... Fortunately it has made its web on the ring
Its "setup":

Focused images of the spider:

