Bulgarian (Sofia). Non-active voice: Participial construction with the verb 'to be', 1

но това всичко е запазено като дух. no tova vsičko e zapazeno kato dux
no
but
tova
this.N
vsičko
all.N
e
be.IPFV.PRS.3SG
zapaz-en-o
preserv.PFV-PASS.PTCP-N.SG
kato
as
dux
spirit(M)
but all this is preserved as a spirit (ambiance)
Type: Naturalistic spoken
Source: Gadjeva 2023a: