The arthritic lifts heave their way up the scaffolding-encased building, twitching to a stop before disgorging the smartphone-glued occupants into hospital-like corridors, who promptly disappear into offices that bear signs warning off door-to-door salespeople.
It may be hard to imagine, but back in 1998, this well-kept but now ageing building in SEG Science and Technology Park in Shenzhen's Huaqiangbei electronics wholesale district was home to a scrappy little messaging outfit called Tencent, started by a group of mostly Shenzhen University alumni including one called Pony Ma Huateng.