In Africa, the biggest feeling is that any tree can bloom, in Beijing, some trees are not tall and not stylish. But in Africa, all trees are tall and big and will bloom. The bright flowers were red for half a day, red, yellow, purple, blue and pure milky white... In the embassy of China in Zambia, the green ivy, along the hard cement wall, tenaciously drilled into the cement with its roots, crawling upwards, Apply the whole wall green and then open out white flowers. I subconsciously picked a paragraph, put it in a plastic pocket, took it back to Beijing, unexpectedly, it began to roam the sky in our house again, in a blink of an eye, covered the roof of our house, although there are old and sick, but it continues to the present, including our friend's house, How many generations have passed down...why are they so strong in viability and reproduction? I think there are three reasons, one is that Africa has more water and wet, although this treasure is divided into dry season and rainy season, but its dry season is relatively African, even the dry season, is more wet than Beijing's rainy season. The second reason is that the temperature is suitable, there is no winter here, trees can grow all year round, so the tree is tall and dense. The last reason is the need for life to continue, flowering, it may result, the result is real, it can continue life, the plant that reproduces by the root must not be better than the plant that has seed transmission, this may also be an evolutionary theory, right?