For the Japanese festival Obon, people should go to clean graves and light incense in memory of their ancestors.

在日本盂兰盆节，人们要扫墓、烧香，以缅怀祖先。

This has led to problems for travelers during Japan's Obon holiday week, a time for festivals and fireworks across the nation.

恰逢日本盂兰盆节期间，全国各地都会举行节日庆典和焰火晚会，但是这一警报给游客们造成了困扰。