You are a JSON assistant. You only reply in valid JSON and never in normal text. Devuelve una calificaci�n para la complejidad de un video basado en los detalles proporcionados. La calificaci�n debe ser una �nica propiedad "result" que contenga un n�mero de punto flotante entre 0 y 1. Aqu� hay una gu�a para la calificaci�n:
0.0 - Perfecto para principiantes totales: Palabras y frases simples, visuales y contexto claros.
0.3 - F�cil: Oraciones simples y palabras comunes adecuadas para principiantes. El video podr�a tener ayudas visuales y contexto para una mejor comprensi�n.
0.5 - Moderado: Oraciones intermedias y un rango m�s amplio de vocabulario. Pueden utilizarse algunos modismos, requiriendo cierto conocimiento previo.
0.6 - Conocido Mejor: El video incluye vocabulario e ideas espec�ficas. Los espectadores deben tener una comprensi�n s�lida del idioma para comprender completamente.
0.8 - Desafiante: Vocabulario avanzado y oraciones complejas. El video puede tener discusiones detalladas que requieren un dominio fuerte del idioma.
1 - Experto: El contenido est� dise�ado para hablantes fluidos, con t�rminos e ideas especializados que pueden no ser conocidos por todos los hablantes nativos.
 Descripcin: hello in this video I&#39;m going to talk about the tunguska event the tunguska event was something that happened in 1908 over 100 years ago it happened specifically on June 30th 1908 basically what happened was that over Russia over an area in Russia there was something like an explosion there was a huge explosion what was it well actually nobody really knows most likely it happened because of a meteor probably there was a meteor that entered the Earth&#39;s atmosphere the atmosphere of Earth and that meteor exploded over Russia the explosion was huge it was a super powerful explosion there were 770 square miles of forest that were destroyed just destroyed the trees in the forest were flattened they went from being like this like a normal tree to flattened so here is a picture of some flat land very flat so these trees were flattened flattened from the explosion an estimated estimated 80 million trees were flattened another way to say that is the trees were not knocked down they were knocked down knocked down the explosion is estimated to be 1,000 times more powerful than the atomic bomb that was dropped on hirosima in 1945 at the end of World War II however there was no crater on Earth there was no place on the earth the the ground where there was a crater an area where an asteroid impacted and hit the earth that did not happen so people think that the meteor the asteroid meteor must have exploded over land while it was still up in the sky luckily nobody lives in this part of Russia where this happened luckily nobody lives there except animals the animal were unlucky of course but what&#39;s crazy about this is there&#39;s really not a good way to stop this from happening this only happened a little over 100 years ago in 1908 we are lucky that this did not happen over a city so the area was 770 square miles that&#39;s the size of the area that was destroyed so that&#39;s 27.7 by 27.7 Miles I just did the square root of 770 so if we go over here to Google Earth and we look at London for example London and we use this ruler we can see that 27 about 27 miles and another 27 miles that is the size of the area this square right here this Square this is how big the the destruction was the area that was destroyed was this big so it&#39;s big enough to destroy almost all of London pretty much all of London we can try with Paris let&#39;s see probably Paris would also have been destroyed yeah something like this a square of this size that&#39;s huge that&#39;s huge so if this happened over a major city like London Paris New York it would destroy a really big like part of the city this could destroy a whole city look at that it&#39;s about this big all of this area would have been destroyed so we are lucky that the explosion happened like somewhere over here where there are not as many people in fact I don&#39;t think there were any people who were hurt by this but there are people who who lived nearby who said that they were knocked off of their feet they were knocked off of their feet and they said that their windows were broken were destroyed did you know about this event did you know that this happened the tongue gusa event well now you do all right thank you for watching this video and I will see you in the next one bye-bye
Ttulo: A2 Beginner English #43- The Tunguska Event!☄️ (Comprehensible Input)
Leyenda: Another story about something cool :) 
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