[00:03.050]One of the most important tropical habitats for young fish is mangrove swamps.
[00:09.150]In the last 40 years, 80% of China's mangroves have been destroyed.
[00:16.740]But at the Dongzhaigang Mangrove Reserve in Hainan,
[00:20.620]a remarkable conservation initiative is bringing young Chinese volunteers together
[00:26.200]to plant mangrove saplings in the glutinous mud.
[00:33.910]For many of these city-born students,
[00:36.070]such unglamorous work demonstrates their commitment to their country's environment.
[00:44.030]Like other heavily populated countries,
[00:46.810]China today is faced with a challenge.
[00:50.060]How best to protect nature in an increasingly crowded space?