It was my in-laws' plan. Alston especially.
After sort advice from Jackson and a bit of online research, we went Tg Sepat and dropby Sepang to do a bit of sight-seeing and enjoying the outskirts of Selangor.
We left close to lunchtime because all of us pretty much tired after a long Christmas weekend. I know we lost some hours of walking around but I guess it's a blessing in disguise in some ways. Turned out that, as the day went on, it wasn't that bad.
Basically, this roadtrip is worth one day. It was nice though.