For more than 20 years Chen Xinbing and his wife Wang Meirong （work）as forest guards deep in the mountains near Shiqiao Township, Shandong Province. Their work at the State-owned Cave Forest Farm began after both graduated from school in 1990s. Their shared duty of protecting the forest brought （they）together, and they were married in 2001.
However, due to a manpower （short）in the forest and the huge responsibility of protecting it, Chen lives in an observation tower （sit）on a mountain 600 meters above sea level. He is in charge of monitoring ensuring the safety of over 530 hectares of state-owned forest, as well as forests located near 12 surrounding villages.
Wang, meanwhile, maintains the forest station the foot of the mountain. Due to the distance between them and their varying responsibilities, they only see each other （brief）about every 10 days when Chen comes down the mountain （refill）supplies.
During the fire season, they can go for up to two months at a time without seeing each other. For the past 22 years, the forest has not experienced a single fire or any other safety risk, has earned them the title "Outstanding Forest Guards" several times.
