That is because in both cities, he is with his family.
Camel owners in the desert who have set up camp since a month have decided to remain there for a longer period now; are they required to offer the prayer in full?
How should the obligatory prayer be performed in an airplane, bearing in mind at the time of prayer it [could] turn in its direction?
I heard Muhammad ibn Hamdoon say: I accompanied Abu Bakr ibn Ishaaq as-Sibghee for [many] years, and I never saw him leave the night prayer – not during travel, and nor when he wasn’t [travelling].
A traveller arrived [in town] and found the [local] people praying [the] ‘asr [prayer]; they had [already] prayed two rak’ahs, [so] he joined them for the [final] two rak’ahs. [Considering he is a traveller, should he suffice with just praying these two rak’ahs with them or] should he complete the prayer [by praying all four rak’ahs]?