Comment se tenir debout correctement?

Comment se tenir debout correctement?
2020, bois de chêne, métal, 110 x 45 x 55 cm

How does one stand up correctly?
2020, oak wood, metal, 110 x 45 x 55 cm

站有站相, 2020, 橡木, 110 x 45 x 55 cm