What allusions did Zhu Guangqian use to walk slowly and appreciate slowly?

Zhu Guangqian walked slowly, admiring the story of a warning slogan in the Alps valley. According to the relevant information, there is an allusion in Mr. Zhu Guangqian's article "Walk slowly and enjoy slowly", and there is a cart road in the Alps valley with beautiful scenery on both sides. There are signs on the road, urging tourists to say: Walk slowly and enjoy slowly. Many people live in the flowing automobile world of Ma Rulong, just like taking a ride in the Alps valley, rushing past it, and no one looks back for the scenery, so this rich and gorgeous world has become a lifeless world.