Please give me the title of a costume TV series. It has four characters. It is a four-character idiom that describes good Feng Shui.

Beautiful mountains and clear waters

shān　qīng　shuǐxiù

[Definition] Qing: pure; Xiu: beautiful. Describe the beautiful scenery.

[Quotation] Huang Tingjian of the Song Dynasty, "Sudden Mountain Stream·Gift to Chen Xiang of Hengyang": "The eyebrows are darkened and the autumn waves are reflected; Hunan is full of beautiful mountains and rivers.'"

[Discrimination Shape] Qing; cannot be written as "青".

[Similar meaning] Beautiful mountains and clear waters

[Antonym] Poor mountains and poor waters

[Usage] Used as a compliment. Describe the beautiful scenery. Generally used as a predicate.

[Structure] Union.

[Example]

①There are many tourist attractions in Jiangnan, my country.

②~ Jiangnan; this year is another bumper harvest year.

[English translation] beautiful mountains and rivers