How to tell the direction in rainy days?

Outdoor, if you don't have a compass or encounter rainy weather, how can you tell the direction, get yourself out of trouble and save the day? Personally summed up three methods of identification: First, the sun identification method The sun rises in the east and sets in the west every day. Twelve o'clock is noon, that is, the sun is in the east before twelve o'clock and in the west after twelve o'clock. Second, the building appraisal method In China, the main entrance of residential and religious buildings faces south (it is necessary to pay attention to the eastward opening of mosques), and the balcony upstairs also faces south. The walls on both sides of individual houses are covered with Parthenocissus tricuspidata, and the west side is generally more lush than the east side. Three, plant identification method to observe large plants. Due to the sun's illumination, big trees are generally dense in the south and sparse in the north; And the whole branch ...