Nearby, stood a big bearded wizard holding a large cardboard box which was emitting rasping noises.
He waved his wand without really concentrating; his bullfrog swelled like a green balloon and emitted a highpitched whistle.
’Dear, dear,’ said Professor McGonagall sardonically, as one of the dragons soared around her classroom, emitting loud bangs and exhaling flame.
The room was in half-darkness; the strange silver instruments standing on tables were silent and still rather than whirring and emitting puffs of smoke as they usually did; the portraits of old headmasters and headmistresses covering the walls were all snoozing in their frames.
There was a musical box that emitted a faintly sinister, tinkling tune when wound, and they all found themselves becoming curiously weak and sleepy, until Ginny had the sense to slam the lid shut; a heavy locket that none of them could open; a number of ancient seals; and, in a dusty box, an Order of Merlin, First Class, that had been awarded to Sirius’s grandfather for ’services to the Ministry’.
Dragons comprised entirely of green and gold sparks were soaring up and down the corridors, emitting loud fiery blasts and bangs as they went; shocking-pink Catherine wheels five feet in diameter were whizzing lethally through the air like so many flying saucers; rockets with long tails of brilliant silver stars were ricocheting off the walls; sparklers were writing swear words in midair of their own accord; firecrackers were exploding like mines everywhere Harry looked, and instead of…
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The ozone layer blocks some harmful rays emitted by the sun.