Only illusory mirroring

Symmetry can seem as mirroring even without being so.
Man-made planning is often revealed by small “mistakes”.
While the smoke from the door is real but just water vapor
– caused by warmer air from inside that meets with more cool air outside.
Such things happens this time of year, every year.

Inspired by this week “Smoke and mirror” theme in the “Friendly Friday”.
Something to ponder about