mMy close friends I and I had planned to go to Beijing to go skiing, but we canceled this trip because of the pandemic. My close friends and I had planned to go to Beijing to go skiing, but we canceled this trip because of the pandemic.

Always use a capital letter after a period (.)

mMy close friends I and I had planned to go to Beijing to go skiing, but we cancelled this trip because of the pandemic. My close friends and I had planned to go to Beijing to go skiing, but we cancelled this trip because of the pandemic.

Can "canceled" be spelled with one "L"? I don't recall ever seeing it before.

The situation in this city is bad and going skiing in this citythere means that there are chances to contact people carrying viruses, so we decided not to go until the situation becomes better. The situation in this city is bad and going skiing there means that there are chances to contact people carrying viruses, so we decided not to go until the situation becomes better.

The situation in this cityBeijing is bad and going skiing in this citythere means that there are chances tof physically contacting people carrying viruses, so we decided not to go until the situation becomes betterimproves. The situation in Beijing is bad and going skiing there means that there are chances of physically contacting people carrying viruses, so we decided not to go until the situation improves.

Consider rephrasing: it sounds like you're planning on going skiing in the city, where you'll get hit by cars, etc. "to contact people" sounds like we're giving them a phone call "this city" is ambiguous: the city you are in, or Beijing.

But it is still a sport I want to try, because I like everything about snow and I amhave always been curious about ski resorts, suits and poles. But it is still a sport I want to try, because I like everything about snow and I have always been curious about ski resorts, suits and poles.

Another desirable feature is that ithis is an exciting experience. Another desirable feature is that it is an exciting experience.

Another desirable feature is that this isSkiing would also be an exciting experience. Skiing would also be an exciting experience.

"desirable feature" is unnatural

The sSkiers can enjoy the thrill of gliding at tremendous speed down a gleaming,white mountain slope, during which you can enjoy the feeling high speed brings to you and a sense of relief. Skiers can enjoy the thrill of gliding at tremendous speed down a gleaming,white mountain slope, during which you can enjoy the feeling high speed brings to you and a sense of relief.

The sSkiers can enjoy the thrill of gliding at tremendous speed down a gleaming, white mountain slope, during which you canwhile enjoying the feeling of high speed brings to you and a sense of relief. Skiers can enjoy the thrill of gliding at tremendous speed down a gleaming, white mountain slope, while enjoying the feeling of high speed and a sense of relief.

"the feeling high speed brings to you and a sense of relief" this feels like a contradiction to me: high speed brings excitement, not relief.

Pressure in life just fades away. Pressure in life just fades away.

Pressure in lifeLife's pressures just fade away. Life's pressures just fade away.

On top of that, I have never tried ithis before and it is brand-new to me, soand I want to try something new with my friends. On top of that, I have never tried it before and it is brand-new to me, and I want to try something new with my friends.

On top of that, I have never tried thisskiing before, and it is brand-new to me, so I want to try something new with my friends. On top of that, I have never tried skiing before, and I want to try something new with my friends.

"I have never tried this before and it is brand new to me" = "I have never tried this before and I have never tried this before". While we generally add a hyphen to make a compound adjective, mostly we don't use a hyphen in "brand new" (vs. "brand-new"). This may be an irregular case.