LibreOffice Writer: How to change page orientation of one specific page to either portrait orientation or landscape orientation

Change one specific page to landscape orientation.
It is important to place the cursor at correct position.
First, put the cursor at the end of paragraph in previous page.
Then, do Menu > Insert > More Breaks > Manual Break.
Frame title “Insert Break” pops up. Choose Type: Page break and Page Style: Landscape from the listbox and click OK button.
At this point, the next page and onwards would appear in landscape orientation.

So user must limit to which extent the Landscape style would be applied. Continue below.
Next, put the cursor at the end of paragraph in the next page.
Then, do Menu > Insert > More Breaks > Manual Break.
Frame title “Insert Break” pops up. Choose Type: Page break and Page Style: Default Page Style from the listbox and click OK button.
At this point, the next next page and onwards would appear in portrait orientation.

Notice the difference when applying the style for the second time. If you follow above steps properly, the landscape orientation is applied to one page only. That is all.