Nice little Cactus outside my office.
I did some research and found it a closest match to Cactus Echinopsis pasacana (Pueblo Viego Salta) aka E. atacamensis ssp. pasacana. Any cactus lover/expert, please confirm.
Photo captured with Samsung Galaxy S7.
Doesn't this photo loudly say #1, upvote and resteem if you like.!!