We are a commune of inquiring, skeptical, politically centrist, capitalist, anglophile, traditionalist New England Yankee humans, humanoids, and animals with many interests beyond and above politics. Each of us has had a high-school education (or GED), but all had ADD so didn't pay attention very well, especially the dogs. Each one of us does "try my best to be just like I am," and none of us enjoys working for others, including for Maggie, from whom we receive neither a nickel nor a dime. Freedom from nags, cranks, government, do-gooders, control-freaks and idiots is all that we ask for.
Took off from ATL one Saturday morning years ago in good weather on a casino junket to Atlantic City in an old creaky 737 shorty. Upon arrival at Pomona the weather had changed. A driving thunderstorm poured rivulets across the windows. A hard crosswind kept the wings from ever being level during final. 10 penny nails could not be driven. The pilot got a round of applause when he finally touched the rusty tub down and us'ens in the pax compartment wiped our brows and breathed a collective sigh of relief.
I've thought I was going to die before but never for so long.
Many years ago, I was on a small commercial plane (probably less than twenty seats) sitting in a seat that was at the end of the aisle. The curtain between the pilot's compartment and the passenger compartment was open so I could see right out the windshield. The approach was interesting enough that I took a bunch of pictures on the way down - each with the horizon in a different orientation! I wasn't afraid because I figured that this was no unexpected for a puddle jumper but it was very entertaining!
The 777 ones are deliberate qualifying runs for crosswind capability.
The two schools are lower a wing so that you fly sideways through the air exactly compensating for the cross-wind component, with the plane otherwise aligned with the runway. This produces zero stress on the airplane but you land on one wheel as a result of the lowered wing. I specialized in this as an entertainment. Lowered left wing is easier than lowered right wing but you can do either.
Having engines slung under the wing limits this option, lest you scrape the engine on the runway.
So they use the other school, fly straight in the air but sideways over the ground, and just before the airplane lands kick it straight with the rudder, thus landing aligned with the runway. This is harder because you have to judge when just before is, and if you're doing a stall type landing that's not always clear, and a gusty wind can screw it up anyway.
Jets are built though to land sideways without damage, and the kicking straight problem may just be skipped until it's actually on the ground. The 777 is doing that method.
There would be no test of the airplane if they finessed the landing into a normal one.
None of the pictured landings are alarming. Go-arounds are normal when it's safer to try again than try to work around what's happening.
I flew the L1049G, DC6, CVx40, and C-130E in the '50s and '60s. In those days, everybody I knew of used wing down. I landed a C-130 left wing down at Bermuda one afternoon, and the right main did not make contact with the runway until the AS indicator showed about 60K. The reported x-wind was within limits, but I've always thought there was a little extra when we landed.
Learned to fly in a Piper Pacer. Crosswind landings with the wind from the left were great, because you got a better view of the runway from the side windows. And the music for this video really makes it, along with the navy instructor calling out, "bolter, bolter, bolter!"