Realizing this, Avalokiteshvara fell into despair and started to weep. In one Variation, the tears on the bodhisattva fell onto the ground and fashioned a lake. With the waters with the lake a lotus emerged and unveiled Tara because it opened. Some Buddhist educational institutions (Mahayana Buddhism and Vajrayana Buddhism, https://kylersqere.uzblog.net/the-basic-principles-of-mahavidya-53434012