Tekesi, the largest bagua-shaped city, China

Sentinel-2 MSI acquired on 03 August 2016 at 05:26:52 UTC
Sentinel-1 CSAR IW acquired on 07 March 2019 at 12:26:17 UTC
Sentinel-1 CSAR IW acquired on 19 March 2019 at 12:26:17 UTC
Sentinel-1 CSAR IW acquired on 31 March 2019 at 12:26:18 UTC
Author(s): Sentinel Vision team, VisioTerra, France - svp@visioterra.fr
Keyword(s): Urban planning, land, mountain range, valley, Tian Shan, China
Fig. 1 - S2 (03.08.2016) - 12,11,8 colour composite - Tekesi lies in the Tekes river valley of the Tian Shan range.
It is situated along an ancient silk road in the Chinese Xinjiang Uyghur Autonomous Region, close to Kazakhstan and Kyrgyzstan.
Fig. 2 - S1 (07, 19 & 31.03.2019) - vv,vh,vv colour composite - Tekesi is located halfway between Issyk Kul Lake & Turpan depression.
Fig. 3 - S2 - 4,3,2 natural colour - Tekesi is known for its bagua shape, a taoist symbol related to the ying and yang concepts.
Fig. 4 - S1 - vv,vh,ndi(vh,vv) colour composite - The city was planned as 3 concentric octagons surrounding a large central place.