use a Map() to track feature labels, instead of modifying feature directly
use a Map() to track feature labels, instead of modifying feature directly

xvilan/tangram,xvilan/tangram,taylorhxu/tangram,DHaylock/tangram,ceseale/tangram,ceseale/tangram,ceseale/tangram,DHaylock/tangram,rosamcgee/tangram,TitoAgudelo/tangram,tangrams/tangram,TitoAgudelo/tangram,TitoAgudelo/tangram,zerebubuth/tangram,tangrams/tangram,DHaylock/tangram,taylorhxu/tangram,zerebubuth/tangram,rosamcgee/tangram,taylorhxu/tangram,zerebubuth/tangram,rosamcgee/tangram,xvilan/tangram