There was a tragic plane crash at Muan International Airport in South Korea. Here is an NBC article:
179 killed, two survive in plane crash at South Korean airport
The Boeing 737-800 plane took off from Bangkok shortly after 2 a.m. local time (2 p.m. Saturday ET), according to the flight-tracking platform FlightAware.
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The pilots initially tried to land on the airport’s Runway 1, he said, but control tower instructed them to land on the opposite side, Runway 19, because of a bird strike warning. A bird strike is a collision between a bird and an aircraft.A minute later, the pilots sent a mayday signal following a bird strike and tried to land on Runway 19.
As it was passing over the runway, the plane failed to lower its landing gear and struck a safety system called a localizer — which provides guidance during landing — and it crashed into a wall...
If you see the video of the crash, you can see that Boeing 747 rams into some kind of concrete wall.
If you search for "Muan International Airport" on Google Maps, you can identify the wall which the plane crashed into.
That Boeing 737-800 was a big plane with 181 people in it. If one concrete wall stopped that plane, how can such planes(though they were Boeing 767s, bigger than 737) cause complete demolition of 1300-feet tall World Trade Center buildings? It's been decades but perfectly vertical collapses of WTC twin towers still puzzle me.