Natural environment is the basic foundation for human being's survival and development, different natural environment cultivate the different nation cultures. To some extend, China is an landlocked agricultural country since ancient time, the earth is the most important to people, so there are a great deal of idioms describe the lakes, rivers, mountains, seasons and agricultures such as:

五谷丰登： a bumper grain harvest

斩草除根：cut the weeds and dig up the roots

种瓜得瓜，种豆得豆： as you sow, so you must reap

上无片瓦，下无寸土： as poor as a church mouse

人不亏地，地不亏人：the master's footsteps fatten the soil

瓜熟蒂落：Things will be easily settled when conditions are ripe

瑞雪兆丰年: a timely snow promises a good harvest