人々は自然の景色や地方の生活ぶりなど忘れがたい印象を受ける。

each person; people; men and women; everybody

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

nature; spontaneity; naturally; spontaneously

indicates possessive; nominalizes verbs and adjectives; substitutes for "ga" in subordinate phrases; (at sentence-end, falling tone) indicates a confident conclusion; (at sentence-end) indicates emotional emphasis; (at sentence-end, rising tone) indicates question

scenery; scene; landscape

such things as (non-exhaustive list related to a specific time and place); and ... and; the minute (that) ...; no sooner than ...; as soon as; punctuational exclamation in haiku, renga, etc.; interjection expressing surprise; hi; plain copula; yes; what?; indicates a question

district; region; area; locality; the country; countryside; the provinces; rural area

et cetera; etc.; and the like; and so forth; or something; the likes of

to forget; to leave carelessly; to be forgetful of; to forget about; to forget (an article)

difficult to ...; hard to ...

impression

indicates direct object of action; indicates subject of causative expression; indicates an area traversed; indicates time (period) over which action takes place; indicates point of departure or separation of action; indicates object of desire, like, hate, etc.

to receive; to get; to catch (e.g. a ball); to be struck by (wind, waves, sunlight, etc.); to sustain (damage); to incur (a loss); to suffer (an injury); to feel (influence); to undergo (e.g. surgery); to take (a test); to accept (a challenge); to be given (e.g. life, talent); to follow; to succeed; to be descended from; to face (south, etc.); to be modified by; to obtain (a pawned item, etc.) by paying a fee; to be well-received; to become popular; to go down well