The answer to your question would be that a way to combine the sentences using at least one gerund phrase is the following one: When travelling, Pablo went to Lima, Peru; visited a museum and learned about the Incas.
This is a reduced time-related clause because it is a gerund phrase as the subject of both clauses is the same: Pablo is the one who travelled and the one who went to Lima and visited a museum.
A labyrinth is an ancient symbol that relates to wholeness. It combines the imagery of the circle and the spiral into a meandering but purposeful path. It represents a journey to our own center and back again out into the world. Labyrinths have long been used as meditation and prayer tools.