1) Roppongi Hills in Tokyo, Japan and Jalan TAR in Kuala Lumpur, Malaysia developed differently due to differences in climate, culture, history and technology.
2) Both areas have sidewalk gardens and street crossings that serve as contact points where passive interactions between pedestrians occur.
3) Roppongi Hills has more amenities like plazas and shrines that encourage optional activities and social interactions, increasing contact intensity compared to Jalan TAR.