教皇为何在身体虚弱的情况下进行长途旅行？

教皇方济各近年来似乎在暗示自己正在放慢脚步，但随后又重新恢复了忙碌的活动。这引出了一个问题：为什么他即使身体虚弱，仍然坚持进行长途旅行？

## Original Title: Why is the Pope doing a long tour when he’s so frail?

## Article Content:
Over the years, Pope Francis has seemed to suggest he is slowing down, only to ramp up activities again.

Original article: https://www.bbc.com/news/articles/cgjvel0pynqo