Gerard Burgermeister says he treats each tree here as his little baby.
博哲若说，他把这里的每一棵树都当作自己的小宝贝。
He has created this rainforest on his own in southwest China's Xishuangbanna, a tropical region that borders Laos and Myanmar.
他在中国西南部的热带地区西双版纳独自创造了这片雨林。西双版纳与老挝和缅甸接壤。
The adventure started in 2003, when the former Swiss diplomat left Beijing.
这场冒险始于2003年，当时这位前瑞士外交官离开了北京。
He
started to collect seeds and seedlings of different species from
different sources - local rainforests, nurseries and homes...
他从西双版纳各处收集不同种类的种子和幼苗，包括从当地的雨林、苗圃或当地家庭……
and cultivated them with great patience.
并用极大的耐心培育它们。
"And also using some tricks.
“我还用了一些小技巧。
For instance, planting tree species that would grow fast, and then have fruits that attract birds and bats.
例如，种植生长迅速的树种，然后结出果实，吸引鸟类和蝙蝠。
Then the birds and bats would come from outside and bring seeds."
然后，鸟儿和蝙蝠就会从外面飞进来，带来种子。”
His efforts have paid off. He says his forest now boasts approximately 300 tree species, more than in his own country.
他的努力得到了回报。他说，他的雨林现在约有300种树木，比他自己国家的还要多。
"This is another wild Ficus tree, Rongshu.
“这是另一种野生榕树。
We planted this one, so it's still a small baby. It's maybe 16 or 17 years old.
是我们种的，它现在还相当于一个小婴儿，大概十六七岁了。
And you see, it's already kind of a little monster."
你看，它已经像一种小怪物了。”
And animals are also back.
动物们也都陆陆续续地回到了雨林。
"At the beginning, there were very few insects.
“刚开始的时候，昆虫很少。
Now, during the rainy season, we have a lot of them.
现在在雨季，这里会有很多昆虫。
In June, we have a lot of fireflies. The fireflies are not only beautiful, they're interesting.
在六月，这里会有很多萤火虫。萤火虫不仅漂亮，而且很有趣。
Part of their life cycle is in the soil.
它们生命周期的一部分是在土壤中度过的。
In the rubber plantation, there are no fireflies, because the soil is not good enough. It doesn't let them live."
橡胶园里没有萤火虫，因为土壤不够好，不能支撑它们活下去。”
Burgermeister says he enjoys seeing all the trees grow up and breeding the new generations.
博哲若说，看着所有的树慢慢长大，繁衍新一代，他很开心。
He says the improved ecology is rewarding in multiple ways.
他说，生态的改善在多个方面发挥着重要作用。
He says the secret behind his successful experiment is perseverance and respect of nature.
他成功的秘密是坚持不懈和尊重自然。
"Biodiversity is a treasure that we can also use in the future.
“生物多样性是我们未来也可以利用的财富。
If we lose it now, we are losing something that is extremely precious even before we understand it, which is really silly."
如果我们现在失去它，我们就失去了甚至在我们了解它之前就极其珍贵的东西，这真的很愚蠢。”
And he believes the effort of each individual matters.
他认为，生态环境的改善离不开每个人的努力。