~と言われています
Something is commonly said or believed
You'll be able to report a widely held statement without naming a particular speaker.

この木は千年前からあると言われています。
kono ki wa sennen mae kara aru to iwarete imasu.
What do you think this sentence means?
This tree is said to have been here for a thousand years.
Present a generally repeated claim
~と言われています means that something is said or generally described in a certain way. It leaves the people making the claim unspecified.
この町は静かだと言われています。
kono machi wa shizuka da to iwarete imasu.
This town is said to be quiet.
Form and use ~と言われています
Nouns and な-adjectives normally keep だ in the quoted clause. The expression attributes a claim to others; it does not itself prove that the claim is true.
この町は静かだと言われています。
kono machi wa shizuka da to iwarete imasu.
This town is said to be quiet.
この山は美しいと言われています。
kono yama wa utsukushii to iwarete imasu.
This mountain is said to be beautiful.
このお寺は日本でいちばん古いと言われています。
kono otera wa nihon de ichiban furui to iwarete imasu.
This temple is said to be the oldest in Japan.
納豆は体にいいと言われています。
nattou wa karada ni ii to iwarete imasu.
Natto is said to be good for your health.
この町の水はとてもおいしいと言われています。
kono machi no mizu wa totemo oishii to iwarete imasu.
The water in this town is said to be very good.
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