Modest: Keystone House where Gu Kailai owned a flat and Neil Heywood is believed to have stayed as with her
'Romantically linked': Gu Kailai and Neil Heywood are said to had an affair due to her husband's 'lack of passion'
Questions remain: It is thought that Mr Heywood was killed in one of the mountain-top hotel's £600-a-night villas, but details of his demise are sketchy
Suspicious: The reception area of the Nanshan Lijing Holiday Hotel in Chongqing, China, where British businessman Neil Heywood was found dead