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You can make a ceiling partially, beautiful and not redundant. . . If you want to do it, you can take a look at Tianfu Decoration There are many ceilings of this style on the Internet, and you can also consult the designer for free to help you develop a free plan... Good luck! O(∩_O
If it were me, I would wrap it in light-toned wallpaper and paste some butterflies or birds, or simply wrap it around a fake flower vine.
Wrap it up directly, make a set of small grids from top to bottom, and put some practical small items or decorative items It is also very beautiful.
Find a professional to fix it
Making it up by yourself doesn't have that good effect >>>More
There are many ways to do this:
Add a decorative cabinet, purely decorative, only require to cover the pressure reducing valve, and do not affect the gas pipeline; >>>More
Put more bags of activated charcoal, and if there is a place to put a few pots of pothos to absorb the strange smell.