What is the fine-grained topic of the following text: Mark pictured with Amy Childs, Mayor of Basildon Mo Larkin, Dogs Trust Chairman Philip Daubeny with Lionel, Dogs Trust CEO Clarissa Baldwin with Basil and Councillor Tony Ball, Leader of Basildon Council at the Dogs Trust Home, the day work began on the new site in Nevendon. Only return the topic.
Start of construction on new Dogs Trust Home site in Nevendon