Complex sentence: Three years later they started to work again on both sides on the road Øravík-Hov and this time they were around 70 men on the northern side and around 60 men on the southern side.
Split into simpler sentences: Three years later they started to work again on both sides of the Øravík-Hov road. This time they were around 70 men on the northern side and around 60 men on the southern side.