Dumbledore said, "Our hearts are like paintbrushes, capable of coloring all things in the world. Give them whatever materials you wish, and they can paint whatever picture you desire."
Before setting off for Bhutan, he had indeed acted like a painter in the school's Great Hall, using "clouds" to depict Bhutanese scenery. It was said that if one listened carefully there, one could hear "whispers of the past."
On her way back to the dungeons from the headmaster's office, Pomona discovered that the school corridors were filled with "mist." Even in Scotland, summer was rich with moisture, and the winter chill had condensed that water, even forming ice crystals. Like mirrors, they reflected the light of torches and fireplaces, resembling pillars of light suspended in the air.
Even in the Wizarding World, this was abnormal. When she listened closely, she heard the "whispers" as well, though they sounded more like gas leaking somewhere.
In 1932, while the world's attention was focused on Bhutan, a wizarding family went on holiday in Ilfracombe. A Welsh Green Dragon attacked the beach, and the family not only protected the Muggles but also cast a large-scale Obliviate. Its principle differed from the Doxy venom Newt had used in New York. Before becoming a Memory Obliviator, Pomona had received Ministry of Magic training, and the instructor in charge of her training had mentioned this incident.
When a memory was very old, people often could not remember many details. For example, someone might visit an amusement park where all the popular attractions required long queues, so more than half the day was spent waiting.
That was certainly not a good experience, but after a long wait, they could enjoy supreme exhilaration. Like riding a roller coaster, they remembered only the moment itself, as though the long wait