Complex sentence: The first series was mostly shot on location at Home Farm, East Clandon, near Guildford in Surrey, England in 1969; the second, around the Bayford/Brickendon area in Hertfordshire in 1970.
Split into simpler sentences: The first series was mostly shot on location at Home Farm, East Clandon, near Guildford in Surrey, England in 1969. The second series around the Bayford/Brickendon area in Hertfordshire in 1970.