по обе стороны

on both sides

→ по
phrase Rare #50,235
on both sides Used to describe something located on both sides of a place or object. The form по обеим сторонам is also common, especially before a noun such as дороги or реки.
RU: По обе стороны улицы стоят высокие дома.
EN: There are tall buildings on both sides of the street.

По обе стороны реки есть деревья.

There are trees on both sides of the river.

И мы делали это прямо там, по обе стороны экрана.

And we did it right there, on both sides of the screen.

— Боль и слава (2019)