Travel: QATAR AIRWAYS B777-300ER Business Class QSuites【4K Trip Report DOH -LHR】

First time to take Qatar Airways B777-300ER Qsuite business class.
Taken in 1/2/2024, it's a 6hrs 50mins flight from Doha to London.
Before taking the flight, i visited Doha AI Mourjan Business Lounge, it's very spacious and splendid lounge.