Complex sentence: They cycled south-east across Britain to the coast at Rye, then pedalled across the English Channel, and ten cycled south across France, through major cities including Paris and Orleans/the pair split up for a short while, meeting back up in Spain.
Split into simpler sentences: They cycled south-east across Britain to the coast at Rye, then pedalled across the English Channel, and then cycled south again across France through major cities including Paris and Orleans. The pair split up for a short while, meeting back up in Spain.