It's not much of a miracle. The official version of the event is probably false. The aircraft was likely shot down by czechoslovak forces at a low altitude in a monumental fuckup.
The balloon is supposed to burst, the payload should have a descent parachute. It's a problem if the balloon doesn't burst and drifts into busy airspace.
It's bacteria decomposing the sweat causing the smell. Try anti bacterial soap in the armpits, washing t-shirts in 60+ °C hot water, drying on the line in sun, (exposure to UV will kill bacteria
Even appliances from the same factory going to different countries are vastly different in quality. Pretty much the same model too. There is a huge washing machine assembly operation inmy town, my friends work there, they warn anyone that would listen.
All kinds of things will grow on the water pipes, drains and containers. That's normal. I can take all of them out super easy on our old siemens washing machine, we're talking less then 15 minutes. Rinse, put them in a dishwasher, put back in 15. that smell is gone for a couple of years. Good luck doing this on a more recent washing machine. I wouldn't recommend leaving the door open. Some rubber parts don't like it if they are dry for too long.