Simplify the following text for a Grade 8 native English-speaking person.
Original: The track , owned by the municipality of Zandvoort , was not used for some time and part of the grounds and approximately half of the track was sold in 1987 to Vendorado , a bungalow park developer at that time .
Simplified: The municipality of Zandvoort took over ownership . Part of the grounds and track were sold in 1987 to Vendorado , a Bungalow park developer .