In the early days very many Chinese laborers were crippled when they were injured in tunnel collapses or other accidents. Other people were in no position to look after them, and to avoid becoming a burden many finally took their own lives by swallowing poison.
早期有很多華工因隧道倒塌或受重傷而殘廢，而別人又不能照顧他們，這些華工為了不拖累他人，最後只好服毒自殺。